23311323032 has 32 divisors (see below), whose sum is σ = 48292005600. Its totient is φ = 10493074944.

The previous prime is 23311323023. The next prime is 23311323037. The reversal of 23311323032 is 23032311332.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 23311322989 and 23311323007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311323037) 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, 3723107 + ... + 3729362.

It is an arithmetic number, because the mean of its divisors is an integer number (1509125175).

Almost surely, 2^23311323032 is an apocalyptic number.

It is an amenable number.

23311323032 is an abundant number, since it is smaller than the sum of its proper divisors (24980682568).

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

23311323032 is a wasteful number, since it uses less digits than its factorization.

23311323032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7452515 (or 7452511 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23311323032 its reverse (23032311332), we get a palindrome (46343634364).

The spelling of 23311323032 in words is "twenty-three billion, three hundred eleven million, three hundred twenty-three thousand, thirty-two".