423593496507 has 18 divisors (see below), whose sum is σ = 596111848668. Its totient is φ = 267519207168.

The previous prime is 423593496493. The next prime is 423593496617. The reversal of 423593496507 is 705694395324.

It is not a de Polignac number, because 423593496507 - 2¹⁹ = 423592972219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (423593496407) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21408603 + ... + 21428379.

It is an arithmetic number, because the mean of its divisors is an integer number (33117324926).

Almost surely, 2^423593496507 is an apocalyptic number.

423593496507 is a deficient number, since it is larger than the sum of its proper divisors (172518352161).

423593496507 is an frugal number, since it uses more digits than its factorization.

423593496507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39595 (or 19799 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 57.

The spelling of 423593496507 in words is "four hundred twenty-three billion, five hundred ninety-three million, four hundred ninety-six thousand, five hundred seven".