23023555420 has 24 divisors (see below), whose sum is σ = 48352709664. Its totient is φ = 9208804416.

The previous prime is 23023555417. The next prime is 23023555433. The reversal of 23023555420 is 2455532032.

It is a super-2 number, since 2×23023555420² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 375142 + ... + 432178.

It is an arithmetic number, because the mean of its divisors is an integer number (2014696236).

Almost surely, 2^23023555420 is an apocalyptic number.

23023555420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23023555420 is an abundant number, since it is smaller than the sum of its proper divisors (25329154244).

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

23023555420 is a wasteful number, since it uses less digits than its factorization.

23023555420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77229 (or 77227 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 23023555420 in words is "twenty-three billion, twenty-three million, five hundred fifty-five thousand, four hundred twenty".