16429923 has 12 divisors (see below), whose sum is σ = 24121968. Its totient is φ = 10773360.

The previous prime is 16429909. The next prime is 16429943. The reversal of 16429923 is 32992461.

16429923 is a `hidden beast` number, since 1 + 642 + 9 + 9 + 2 + 3 = 666.

It is not a de Polignac number, because 16429923 - 2⁶ = 16429859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16429943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14415 + ... + 15512.

It is an arithmetic number, because the mean of its divisors is an integer number (2010164).

Almost surely, 2^16429923 is an apocalyptic number.

16429923 is a deficient number, since it is larger than the sum of its proper divisors (7692045).

16429923 is a wasteful number, since it uses less digits than its factorization.

16429923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29994 (or 29991 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 16429923 is about 4053.3841416772. The cubic root of 16429923 is about 254.2212458382.

The spelling of 16429923 in words is "sixteen million, four hundred twenty-nine thousand, nine hundred twenty-three".