201923379 has 24 divisors (see below), whose sum is σ = 333951072. Its totient is φ = 115171200.

The previous prime is 201923377. The next prime is 201923389. The reversal of 201923379 is 973329102.

It is not a de Polignac number, because 201923379 - 2¹ = 201923377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201923377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35197 + ... + 40529.

It is an arithmetic number, because the mean of its divisors is an integer number (13914628).

Almost surely, 2^201923379 is an apocalyptic number.

201923379 is a deficient number, since it is larger than the sum of its proper divisors (132027693).

201923379 is a wasteful number, since it uses less digits than its factorization.

201923379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947 (or 5944 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 201923379 is about 14209.9746305192. The cubic root of 201923379 is about 586.6722348315.

The spelling of 201923379 in words is "two hundred one million, nine hundred twenty-three thousand, three hundred seventy-nine".