423934793529 has 16 divisors (see below), whose sum is σ = 608746720512. Its totient is φ = 260874448128.

The previous prime is 423934793423. The next prime is 423934793531. The reversal of 423934793529 is 925397439324.

It is not a de Polignac number, because 423934793529 - 2¹⁷ = 423934662457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423934793929) 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, 1163392 + ... + 1483694.

It is an arithmetic number, because the mean of its divisors is an integer number (38046670032).

Almost surely, 2^423934793529 is an apocalyptic number.

It is an amenable number.

423934793529 is a deficient number, since it is larger than the sum of its proper divisors (184811926983).

423934793529 is a wasteful number, since it uses less digits than its factorization.

423934793529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354256.

The product of its digits is 44089920, while the sum is 60.

The spelling of 423934793529 in words is "four hundred twenty-three billion, nine hundred thirty-four million, seven hundred ninety-three thousand, five hundred twenty-nine".