404469336923 has 2 divisors, whose sum is σ = 404469336924. Its totient is φ = 404469336922.

The previous prime is 404469336883. The next prime is 404469336961. The reversal of 404469336923 is 329633964404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404469336923 - 2¹⁰ = 404469335899 is a prime.

It is a super-2 number, since 2×404469336923² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (404469336023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202234668461 + 202234668462.

It is an arithmetic number, because the mean of its divisors is an integer number (202234668462).

Almost surely, 2^404469336923 is an apocalyptic number.

404469336923 is a deficient number, since it is larger than the sum of its proper divisors (1).

404469336923 is an equidigital number, since it uses as much as digits as its factorization.

404469336923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10077696, while the sum is 53.

The spelling of 404469336923 in words is "four hundred four billion, four hundred sixty-nine million, three hundred thirty-six thousand, nine hundred twenty-three".