16155023 has 2 divisors, whose sum is σ = 16155024. Its totient is φ = 16155022.

The previous prime is 16155017. The next prime is 16155031. The reversal of 16155023 is 32055161.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16155023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16155023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16155043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8077511 + 8077512.

It is an arithmetic number, because the mean of its divisors is an integer number (8077512).

Almost surely, 2^16155023 is an apocalyptic number.

16155023 is a deficient number, since it is larger than the sum of its proper divisors (1).

16155023 is an equidigital number, since it uses as much as digits as its factorization.

16155023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 16155023 is about 4019.3311632658. The cubic root of 16155023 is about 252.7954154402.

The spelling of 16155023 in words is "sixteen million, one hundred fifty-five thousand, twenty-three".