16977123 has 6 divisors (see below), whose sum is σ = 24522524. Its totient is φ = 11318076.

The previous prime is 16977113. The next prime is 16977133. The reversal of 16977123 is 32177961.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16977113) and next prime (16977133).

It is not a de Polignac number, because 16977123 - 2⁹ = 16976611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16977113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 943165 + ... + 943182.

Almost surely, 2^16977123 is an apocalyptic number.

16977123 is a deficient number, since it is larger than the sum of its proper divisors (7545401).

16977123 is a wasteful number, since it uses less digits than its factorization.

16977123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886353 (or 1886350 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 16977123 is about 4120.3304479131. The cubic root of 16977123 is about 257.0127676640.

The spelling of 16977123 in words is "sixteen million, nine hundred seventy-seven thousand, one hundred twenty-three".