16969923 has 12 divisors (see below), whose sum is σ = 24858288. Its totient is φ = 11153520.

The previous prime is 16969913. The next prime is 16969933. The reversal of 16969923 is 32996961.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16969913) and next prime (16969933).

It is not a de Polignac number, because 16969923 - 2⁵ = 16969891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16969903) 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, 12640 + ... + 13917.

It is an arithmetic number, because the mean of its divisors is an integer number (2071524).

Almost surely, 2^16969923 is an apocalyptic number.

16969923 is a deficient number, since it is larger than the sum of its proper divisors (7888365).

16969923 is a wasteful number, since it uses less digits than its factorization.

16969923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26634 (or 26631 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 16969923 is about 4119.4566389270. The cubic root of 16969923 is about 256.9764294775.

The spelling of 16969923 in words is "sixteen million, nine hundred sixty-nine thousand, nine hundred twenty-three".