423073726434 has 24 divisors (see below), whose sum is σ = 932196348720. Its totient is φ = 138634328088.

The previous prime is 423073726393. The next prime is 423073726441. The reversal of 423073726434 is 434627370324.

423073726434 is a `hidden beast` number, since 4 + 230 + 7 + 372 + 6 + 43 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 423073726434.

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, 199186192 + ... + 199188315.

It is an arithmetic number, because the mean of its divisors is an integer number (38841514530).

Almost surely, 2^423073726434 is an apocalyptic number.

423073726434 is an abundant number, since it is smaller than the sum of its proper divisors (509122622286).

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

423073726434 is a wasteful number, since it uses less digits than its factorization.

423073726434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398374574 (or 398374571 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 45.

The spelling of 423073726434 in words is "four hundred twenty-three billion, seventy-three million, seven hundred twenty-six thousand, four hundred thirty-four".