404153023 has 4 divisors (see below), whose sum is σ = 404392600. Its totient is φ = 403913448.

The previous prime is 404153003. The next prime is 404153041. The reversal of 404153023 is 320351404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404153023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404152985 and 404153003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404153003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117240 + ... + 120637.

It is an arithmetic number, because the mean of its divisors is an integer number (101098150).

Almost surely, 2^404153023 is an apocalyptic number.

404153023 is a deficient number, since it is larger than the sum of its proper divisors (239577).

404153023 is a wasteful number, since it uses less digits than its factorization.

404153023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239576.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 404153023 is about 20103.5574712537. The cubic root of 404153023 is about 739.3475031093.

The spelling of 404153023 in words is "four hundred four million, one hundred fifty-three thousand, twenty-three".