23231123012 has 6 divisors (see below), whose sum is σ = 40654465278. Its totient is φ = 11615561504.

The previous prime is 23231122997. The next prime is 23231123089. The reversal of 23231123012 is 21032113232.

It can be written as a sum of positive squares in only one way, i.e., 16769214016 + 6461908996 = 129496^2 + 80386^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2903890373 + ... + 2903890380.

It is an arithmetic number, because the mean of its divisors is an integer number (6775744213).

Almost surely, 2^23231123012 is an apocalyptic number.

It is an amenable number.

23231123012 is a deficient number, since it is larger than the sum of its proper divisors (17423342266).

23231123012 is a wasteful number, since it uses less digits than its factorization.

23231123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5807780757 (or 5807780755 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23231123012 its reverse (21032113232), we get a palindrome (44263236244).

The spelling of 23231123012 in words is "twenty-three billion, two hundred thirty-one million, one hundred twenty-three thousand, twelve".