423857920299 has 16 divisors (see below), whose sum is σ = 621615828864. Its totient is φ = 256883585640.

The previous prime is 423857920289. The next prime is 423857920301. The reversal of 423857920299 is 992029758324.

It is not a de Polignac number, because 423857920299 - 2³⁵ = 389498181931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423857920289) 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, 53071129 + ... + 53079114.

It is an arithmetic number, because the mean of its divisors is an integer number (38850989304).

Almost surely, 2^423857920299 is an apocalyptic number.

423857920299 is a deficient number, since it is larger than the sum of its proper divisors (197757908565).

423857920299 is a wasteful number, since it uses less digits than its factorization.

423857920299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106150279 (or 106150257 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 423857920299 in words is "four hundred twenty-three billion, eight hundred fifty-seven million, nine hundred twenty thousand, two hundred ninety-nine".