204372423 has 32 divisors (see below), whose sum is σ = 313272000. Its totient is φ = 131580288.

The previous prime is 204372409. The next prime is 204372437. The reversal of 204372423 is 324273402.

204372423 is a `hidden beast` number, since 204 + 37 + 2 + 423 = 666.

It is an interprime number because it is at equal distance from previous prime (204372409) and next prime (204372437).

It is not a de Polignac number, because 204372423 - 2⁴ = 204372407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204372473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148165 + ... + 149537.

It is an arithmetic number, because the mean of its divisors is an integer number (9789750).

Almost surely, 2^204372423 is an apocalyptic number.

204372423 is a deficient number, since it is larger than the sum of its proper divisors (108899577).

204372423 is a wasteful number, since it uses less digits than its factorization.

204372423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 204372423 is about 14295.8883249695. Note that the first 3 decimals coincide. The cubic root of 204372423 is about 589.0345437832.

The spelling of 204372423 in words is "two hundred four million, three hundred seventy-two thousand, four hundred twenty-three".