423521554045400 has 48 divisors (see below), whose sum is σ = 988167074818200. Its totient is φ = 168810004558080.

The previous prime is 423521554045379. The next prime is 423521554045459. The reversal of 423521554045400 is 4540455125324.

It is a super-2 number, since 2×423521554045400² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3741299885 + ... + 3741413084.

Almost surely, 2^{423521554045400} is an apocalyptic number.

423521554045400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423521554045400 is an abundant number, since it is smaller than the sum of its proper divisors (564645520772800).

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

423521554045400 is a wasteful number, since it uses less digits than its factorization.

423521554045400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7482713268 (or 7482713259 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 44.

The spelling of 423521554045400 in words is "four hundred twenty-three trillion, five hundred twenty-one billion, five hundred fifty-four million, forty-five thousand, four hundred".