23112012331 has 8 divisors (see below), whose sum is σ = 23257417680. Its totient is φ = 22966743072.

The previous prime is 23112012317. The next prime is 23112012349. The reversal of 23112012331 is 13321021132.

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

It is a cyclic number.

It is not a de Polignac number, because 23112012331 - 2¹¹ = 23112010283 is a prime.

It is a super-2 number, since 2×23112012331² (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 = 23112012299 and 23112012308.

It is not an unprimeable number, because it can be changed into a prime (23112012731) 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, 318096 + ... + 383938.

It is an arithmetic number, because the mean of its divisors is an integer number (2907177210).

Almost surely, 2^23112012331 is an apocalyptic number.

23112012331 is a deficient number, since it is larger than the sum of its proper divisors (145405349).

23112012331 is a wasteful number, since it uses less digits than its factorization.

23112012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68045.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23112012331 its reverse (13321021132), we get a palindrome (36433033463).

The spelling of 23112012331 in words is "twenty-three billion, one hundred twelve million, twelve thousand, three hundred thirty-one".