23120300420 has 48 divisors (see below), whose sum is σ = 55842205440. Its totient is φ = 7876462464.

The previous prime is 23120300389. The next prime is 23120300443. The reversal of 23120300420 is 2400302132.

It is a super-2 number, since 2×23120300420² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503960 + ... + 547919.

It is an arithmetic number, because the mean of its divisors is an integer number (1163379280).

Almost surely, 2^23120300420 is an apocalyptic number.

23120300420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23120300420 is an abundant number, since it is smaller than the sum of its proper divisors (32721905020).

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

23120300420 is a wasteful number, since it uses less digits than its factorization.

23120300420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052052 (or 1052050 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 23120300420 its reverse (2400302132), we get a palindrome (25520602552).

The spelling of 23120300420 in words is "twenty-three billion, one hundred twenty million, three hundred thousand, four hundred twenty".