23211213120 has 112 divisors (see below), whose sum is σ = 81884032320. Its totient is φ = 6189654528.

The previous prime is 23211213119. The next prime is 23211213121. The reversal of 23211213120 is 2131211232.

23211213120 is a `hidden beast` number, since 232 + 1 + 121 + 312 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (23211213119) and next prime (23211213121).

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 = 23211213093 and 23211213102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211213121) 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, 1334602 + ... + 1351881.

Almost surely, 2^23211213120 is an apocalyptic number.

23211213120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23211213120 is an abundant number, since it is smaller than the sum of its proper divisors (58672819200).

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

23211213120 is a wasteful number, since it uses less digits than its factorization.

23211213120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686509 (or 2686493 counting only the distinct ones).

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

Adding to 23211213120 its reverse (2131211232), we get a palindrome (25342424352).

The spelling of 23211213120 in words is "twenty-three billion, two hundred eleven million, two hundred thirteen thousand, one hundred twenty".