429427879623 has 12 divisors (see below), whose sum is σ = 621418697848. Its totient is φ = 285761876400.

The previous prime is 429427879607. The next prime is 429427879663. The reversal of 429427879623 is 326978724924.

429427879623 is a `hidden beast` number, since 4 + 29 + 427 + 87 + 96 + 23 = 666.

It is not a de Polignac number, because 429427879623 - 2⁴ = 429427879607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429427879603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43609528 + ... + 43619373.

Almost surely, 2^429427879623 is an apocalyptic number.

429427879623 is a deficient number, since it is larger than the sum of its proper divisors (191990818225).

429427879623 is a wasteful number, since it uses less digits than its factorization.

429427879623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87229454 (or 87229451 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 63.

The spelling of 429427879623 in words is "four hundred twenty-nine billion, four hundred twenty-seven million, eight hundred seventy-nine thousand, six hundred twenty-three".