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23123212231233 = 354577141226843
BaseRepresentation
bin1010100000111110010101…
…10110011110001001000001
310000212120001102021122110110
411100133022312132021001
511012322314312344413
6121102353531221533
74604411516663022
oct520371266361101
9100776042248413
1023123212231233
117405554535794
122715524ba78a9
13cb968165cb2a
1459d252d4ac49
152a174b5978c3
hex1507cad9e241

23123212231233 has 8 divisors (see below), whose sum is σ = 30831514767328. Its totient is φ = 15415192257984.

The previous prime is 23123212231123. The next prime is 23123212231291. The reversal of 23123212231233 is 33213221232132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23123212231233 - 229 = 23122675360321 is a prime.

It is a super-3 number, since 3×231232122312333 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23123212231233.

It is not an unprimeable number, because it can be changed into a prime (23123212231033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70449691 + ... + 70777152.

It is an arithmetic number, because the mean of its divisors is an integer number (3853939345916).

Almost surely, 223123212231233 is an apocalyptic number.

It is an amenable number.

23123212231233 is a deficient number, since it is larger than the sum of its proper divisors (7708302536095).

23123212231233 is a wasteful number, since it uses less digits than its factorization.

23123212231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141281423.

The product of its digits is 15552, while the sum is 30.

Adding to 23123212231233 its reverse (33213221232132), we get a palindrome (56336433463365).

The spelling of 23123212231233 in words is "twenty-three trillion, one hundred twenty-three billion, two hundred twelve million, two hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 3 54577 163731 141226843 423680529 7707737410411 23123212231233