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23312101143 = 37770700381
BaseRepresentation
bin10101101101100000…
…100110111100010111
32020011122211102212110
4111231200212330113
5340220344214033
614413123122103
71453460406312
oct255540467427
966148742773
1023312101143
1199830896a1
124627213333
132276935cb6
1411b2131979
1591690e363
hex56d826f17

23312101143 has 4 divisors (see below), whose sum is σ = 31082801528. Its totient is φ = 15541400760.

The previous prime is 23312101133. The next prime is 23312101171. The reversal of 23312101143 is 34110121332.

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

It is not a de Polignac number, because 23312101143 - 214 = 23312084759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312101133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3885350188 + ... + 3885350193.

It is an arithmetic number, because the mean of its divisors is an integer number (7770700382).

Almost surely, 223312101143 is an apocalyptic number.

23312101143 is a deficient number, since it is larger than the sum of its proper divisors (7770700385).

23312101143 is an equidigital number, since it uses as much as digits as its factorization.

23312101143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770700384.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 23312101143 its reverse (34110121332), we get a palindrome (57422222475).

The spelling of 23312101143 in words is "twenty-three billion, three hundred twelve million, one hundred one thousand, one hundred forty-three".

Divisors: 1 3 7770700381 23312101143