23012200031 has 16 divisors (see below), whose sum is σ = 24083373600. Its totient is φ = 21960949248.

The previous prime is 23012200007. The next prime is 23012200033. The reversal of 23012200031 is 13000221032.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23012200031 is a prime.

It is a super-2 number, since 2×23012200031² (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 = 23012199979 and 23012200015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012200033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913280 + ... + 938138.

It is an arithmetic number, because the mean of its divisors is an integer number (1505210850).

Almost surely, 2^23012200031 is an apocalyptic number.

23012200031 is a deficient number, since it is larger than the sum of its proper divisors (1071173569).

23012200031 is a wasteful number, since it uses less digits than its factorization.

23012200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25258.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23012200031 its reverse (13000221032), we get a palindrome (36012421063).

The spelling of 23012200031 in words is "twenty-three billion, twelve million, two hundred thousand, thirty-one".