23112145331 has 16 divisors (see below), whose sum is σ = 26134064640. Its totient is φ = 20257042080.

The previous prime is 23112145157. The next prime is 23112145333. The reversal of 23112145331 is 13354121132.

It is not a de Polignac number, because 23112145331 - 2¹⁴ = 23112128947 is a prime.

It is a super-2 number, since 2×23112145331² (a number of 22 digits) contains 22 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 23112145331.

It is not an unprimeable number, because it can be changed into a prime (23112145333) 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 15 ways as a sum of consecutive naturals, for example, 298976 + ... + 368253.

It is an arithmetic number, because the mean of its divisors is an integer number (1633379040).

Almost surely, 2^23112145331 is an apocalyptic number.

23112145331 is a deficient number, since it is larger than the sum of its proper divisors (3021919309).

23112145331 is a wasteful number, since it uses less digits than its factorization.

23112145331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667354.

The product of its digits is 2160, while the sum is 26.

Adding to 23112145331 its reverse (13354121132), we get a palindrome (36466266463).

The spelling of 23112145331 in words is "twenty-three billion, one hundred twelve million, one hundred forty-five thousand, three hundred thirty-one".