23123201232 has 40 divisors (see below), whose sum is σ = 60038184096. Its totient is φ = 7668605056.

The previous prime is 23123201221. The next prime is 23123201251. The reversal of 23123201232 is 23210232132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23123201199 and 23123201208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213218 + ... + 1232129.

Almost surely, 2^23123201232 is an apocalyptic number.

It is an amenable number.

23123201232 is an abundant number, since it is smaller than the sum of its proper divisors (36914982864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23123201232 is a wasteful number, since it uses less digits than its factorization.

23123201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445555 (or 2445549 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23123201232 its reverse (23210232132), we get a palindrome (46333433364).

The spelling of 23123201232 in words is "twenty-three billion, one hundred twenty-three million, two hundred one thousand, two hundred thirty-two".