23012122320 has 120 divisors (see below), whose sum is σ = 84308077152. Its totient is φ = 5578694400.

The previous prime is 23012122313. The next prime is 23012122333. The reversal of 23012122320 is 2322121032.

23012122320 is a `hidden beast` number, since 2 + 301 + 21 + 22 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 = 23012122293 and 23012122302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1444866 + ... + 1460705.

Almost surely, 2^23012122320 is an apocalyptic number.

23012122320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23012122320 is an abundant number, since it is smaller than the sum of its proper divisors (61295954832).

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

23012122320 is a wasteful number, since it uses less digits than its factorization.

23012122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905601 (or 2905592 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23012122320 its reverse (2322121032), we get a palindrome (25334243352).

The spelling of 23012122320 in words is "twenty-three billion, twelve million, one hundred twenty-two thousand, three hundred twenty".