2004023138 has 64 divisors (see below), whose sum is σ = 3660007680. Its totient is φ = 812851200.

The previous prime is 2004023137. The next prime is 2004023141. The reversal of 2004023138 is 8313204002.

It is a super-2 number, since 2×2004023138² = 8032217475278734088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2004023137) 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, 594578 + ... + 597938.

It is an arithmetic number, because the mean of its divisors is an integer number (57187620).

Almost surely, 2^2004023138 is an apocalyptic number.

2004023138 is a deficient number, since it is larger than the sum of its proper divisors (1655984542).

2004023138 is a wasteful number, since it uses less digits than its factorization.

2004023138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2004023138 is about 44766.3170028538. The cubic root of 2004023138 is about 1260.7652901073.

The spelling of 2004023138 in words is "two billion, four million, twenty-three thousand, one hundred thirty-eight".