23333231220 has 96 divisors (see below), whose sum is σ = 72784897920. Its totient is φ = 5545505280.

The previous prime is 23333231171. The next prime is 23333231269. The reversal of 23333231220 is 2213233332.

It is an interprime number because it is at equal distance from previous prime (23333231171) and next prime (23333231269).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493146 + ... + 538385.

It is an arithmetic number, because the mean of its divisors is an integer number (758176020).

Almost surely, 2^23333231220 is an apocalyptic number.

23333231220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23333231220 is an abundant number, since it is smaller than the sum of its proper divisors (49451666700).

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

23333231220 is a wasteful number, since it uses less digits than its factorization.

23333231220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031585 (or 1031583 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 23333231220 its reverse (2213233332), we get a palindrome (25546464552).

The spelling of 23333231220 in words is "twenty-three billion, three hundred thirty-three million, two hundred thirty-one thousand, two hundred twenty".