423091615464 has 256 divisors, whose sum is σ = 1360843200000. Its totient is φ = 119296032768.

The previous prime is 423091615447. The next prime is 423091615487. The reversal of 423091615464 is 464516190324.

423091615464 is a `hidden beast` number, since 4 + 23 + 0 + 9 + 1 + 615 + 4 + 6 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77643012 + ... + 77648460.

It is an arithmetic number, because the mean of its divisors is an integer number (5315793750).

Almost surely, 2^423091615464 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 423091615464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680421600000).

423091615464 is an abundant number, since it is smaller than the sum of its proper divisors (937751584536).

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

423091615464 is a wasteful number, since it uses less digits than its factorization.

423091615464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6137 (or 6127 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 423091615464 in words is "four hundred twenty-three billion, ninety-one million, six hundred fifteen thousand, four hundred sixty-four".