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23232113231 = 64693591299
BaseRepresentation
bin10101101000101111…
…011110101001001111
32012222002022122002012
4111220233132221033
5340034410110411
614401144451435
71451466463355
oct255057365117
965862278065
1023232113231
119941a16588
124604479b7b
1322631ab282
1411a566d7d5
1590e8ae18b
hex568bdea4f

23232113231 has 4 divisors (see below), whose sum is σ = 23235711000. Its totient is φ = 23228515464.

The previous prime is 23232113209. The next prime is 23232113239. The reversal of 23232113231 is 13231123232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23232113231 is a prime.

It is a super-2 number, since 2×232321132312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23232113197 and 23232113206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23232113239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789181 + ... + 1802118.

It is an arithmetic number, because the mean of its divisors is an integer number (5808927750).

Almost surely, 223232113231 is an apocalyptic number.

23232113231 is a deficient number, since it is larger than the sum of its proper divisors (3597769).

23232113231 is an equidigital number, since it uses as much as digits as its factorization.

23232113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597768.

The product of its digits is 1296, while the sum is 23.

Adding to 23232113231 its reverse (13231123232), we get a palindrome (36463236463).

The spelling of 23232113231 in words is "twenty-three billion, two hundred thirty-two million, one hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 6469 3591299 23232113231