423250564 has 48 divisors (see below), whose sum is σ = 883201536. Its totient is φ = 175219200.

The previous prime is 423250561. The next prime is 423250567. The reversal of 423250564 is 465052324.

It is an interprime number because it is at equal distance from previous prime (423250561) and next prime (423250567).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (423250561) 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, 14062 + ... + 32314.

It is an arithmetic number, because the mean of its divisors is an integer number (18400032).

Almost surely, 2^423250564 is an apocalyptic number.

423250564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

423250564 is an abundant number, since it is smaller than the sum of its proper divisors (459950972).

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

423250564 is a wasteful number, since it uses less digits than its factorization.

423250564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18316 (or 18314 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 423250564 is about 20573.0543186956. The cubic root of 423250564 is about 750.8142646811.

The spelling of 423250564 in words is "four hundred twenty-three million, two hundred fifty thousand, five hundred sixty-four".