16426604123 has 2 divisors, whose sum is σ = 16426604124. Its totient is φ = 16426604122.

The previous prime is 16426604057. The next prime is 16426604141. The reversal of 16426604123 is 32140662461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16426604123 - 2⁸ = 16426603867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16426604143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8213302061 + 8213302062.

It is an arithmetic number, because the mean of its divisors is an integer number (8213302062).

Almost surely, 2^16426604123 is an apocalyptic number.

16426604123 is a deficient number, since it is larger than the sum of its proper divisors (1).

16426604123 is an equidigital number, since it uses as much as digits as its factorization.

16426604123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 16426604123 in words is "sixteen billion, four hundred twenty-six million, six hundred four thousand, one hundred twenty-three".