239778628923 has 8 divisors (see below), whose sum is σ = 319952869200. Its totient is φ = 159728403968.

The previous prime is 239778628889. The next prime is 239778628933. The reversal of 239778628923 is 329826877932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 239778628923 - 2²⁹ = 239241758011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (239778628933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30999318 + ... + 31007051.

It is an arithmetic number, because the mean of its divisors is an integer number (39994108650).

Almost surely, 2^239778628923 is an apocalyptic number.

239778628923 is a deficient number, since it is larger than the sum of its proper divisors (80174240277).

239778628923 is a wasteful number, since it uses less digits than its factorization.

239778628923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62007661.

The product of its digits is 109734912, while the sum is 66.

The spelling of 239778628923 in words is "two hundred thirty-nine billion, seven hundred seventy-eight million, six hundred twenty-eight thousand, nine hundred twenty-three".