16137923 has 2 divisors, whose sum is σ = 16137924. Its totient is φ = 16137922.

The previous prime is 16137899. The next prime is 16137931. The reversal of 16137923 is 32973161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16137923 - 2¹⁰ = 16136899 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16137923.

It is not a weakly prime, because it can be changed into another prime (16137983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8068961 + 8068962.

It is an arithmetic number, because the mean of its divisors is an integer number (8068962).

Almost surely, 2^16137923 is an apocalyptic number.

16137923 is a deficient number, since it is larger than the sum of its proper divisors (1).

16137923 is an equidigital number, since it uses as much as digits as its factorization.

16137923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 32.

The square root of 16137923 is about 4017.2033804626. The cubic root of 16137923 is about 252.7061897812.

The spelling of 16137923 in words is "sixteen million, one hundred thirty-seven thousand, nine hundred twenty-three".