23003111312 has 10 divisors (see below), whose sum is σ = 44568528198. Its totient is φ = 11501555648.

The previous prime is 23003111303. The next prime is 23003111323. The reversal of 23003111312 is 21311130032.

It can be written as a sum of positive squares in only one way, i.e., 22993476496 + 9634816 = 151636^2 + 3104^2 .

It is a super-2 number, since 2×23003111312² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 718847213 + ... + 718847244.

Almost surely, 2^23003111312 is an apocalyptic number.

It is an amenable number.

23003111312 is a deficient number, since it is larger than the sum of its proper divisors (21565416886).

23003111312 is a wasteful number, since it uses less digits than its factorization.

23003111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437694465 (or 1437694459 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23003111312 its reverse (21311130032), we get a palindrome (44314241344).

The spelling of 23003111312 in words is "twenty-three billion, three million, one hundred eleven thousand, three hundred twelve".