204023001 has 32 divisors (see below), whose sum is σ = 354509568. Its totient is φ = 101283840.

The previous prime is 204022991. The next prime is 204023009. The reversal of 204023001 is 100320402.

It is not a de Polignac number, because 204023001 - 2¹⁰ = 204021977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204023009) 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, 17340 + ... + 26621.

It is an arithmetic number, because the mean of its divisors is an integer number (11078424).

Almost surely, 2^204023001 is an apocalyptic number.

204023001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

204023001 is a deficient number, since it is larger than the sum of its proper divisors (150486567).

204023001 is a wasteful number, since it uses less digits than its factorization.

204023001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44001.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 204023001 is about 14283.6620304458. The cubic root of 204023001 is about 588.6986552832.

Adding to 204023001 its reverse (100320402), we get a palindrome (304343403).

The spelling of 204023001 in words is "two hundred four million, twenty-three thousand, one".