423609264 has 360 divisors, whose sum is σ = 1454958960. Its totient is φ = 118444032.

The previous prime is 423609257. The next prime is 423609271. The reversal of 423609264 is 462906324.

423609264 is a `hidden beast` number, since 4 + 23 + 609 + 26 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (423609257) and next prime (423609271).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14607202 + ... + 14607230.

Almost surely, 2^423609264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423609264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727479480).

423609264 is an abundant number, since it is smaller than the sum of its proper divisors (1031349696).

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

423609264 is a wasteful number, since it uses less digits than its factorization.

423609264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 423609264 is about 20581.7701862595. The cubic root of 423609264 is about 751.0263069515.

The spelling of 423609264 in words is "four hundred twenty-three million, six hundred nine thousand, two hundred sixty-four".