23221111032 has 96 divisors (see below), whose sum is σ = 71904268800. Its totient is φ = 6631889472.

The previous prime is 23221111021. The next prime is 23221111037. The reversal of 23221111032 is 23011112232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23221110996 and 23221111014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221111037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1447069 + ... + 1463027.

It is an arithmetic number, because the mean of its divisors is an integer number (749002800).

Almost surely, 2^23221111032 is an apocalyptic number.

It is an amenable number.

23221111032 is an abundant number, since it is smaller than the sum of its proper divisors (48683157768).

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

23221111032 is a wasteful number, since it uses less digits than its factorization.

23221111032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18865 (or 18858 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23221111032 its reverse (23011112232), we get a palindrome (46232223264).

The spelling of 23221111032 in words is "twenty-three billion, two hundred twenty-one million, one hundred eleven thousand, thirty-two".