15158023 has 2 divisors, whose sum is σ = 15158024. Its totient is φ = 15158022.

The previous prime is 15158021. The next prime is 15158047. The reversal of 15158023 is 32085151.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15158023 - 2¹ = 15158021 is a prime.

It is a super-2 number, since 2×15158023² = 459531322537058, which contains 22 as substring.

Together with 15158021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15158021) 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, 7579011 + 7579012.

It is an arithmetic number, because the mean of its divisors is an integer number (7579012).

Almost surely, 2^15158023 is an apocalyptic number.

15158023 is a deficient number, since it is larger than the sum of its proper divisors (1).

15158023 is an equidigital number, since it uses as much as digits as its factorization.

15158023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 15158023 is about 3893.3305793369. The cubic root of 15158023 is about 247.4842244137.

The spelling of 15158023 in words is "fifteen million, one hundred fifty-eight thousand, twenty-three".