423521376 has 48 divisors (see below), whose sum is σ = 1112966064. Its totient is φ = 141018624.

The previous prime is 423521347. The next prime is 423521383. The reversal of 423521376 is 673125324.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114630 + ... + 118266.

It is an arithmetic number, because the mean of its divisors is an integer number (23186793).

Almost surely, 2^423521376 is an apocalyptic number.

It is an amenable number.

423521376 is an abundant number, since it is smaller than the sum of its proper divisors (689444688).

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

423521376 is a wasteful number, since it uses less digits than its factorization.

423521376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863 (or 4855 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 423521376 is about 20579.6349821857. The cubic root of 423521376 is about 750.9743638276.

The spelling of 423521376 in words is "four hundred twenty-three million, five hundred twenty-one thousand, three hundred seventy-six".