15314623 has 2 divisors, whose sum is σ = 15314624. Its totient is φ = 15314622.

The previous prime is 15314617. The next prime is 15314647. The reversal of 15314623 is 32641351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15314623 - 2¹⁷ = 15183551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15314653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7657311 + 7657312.

It is an arithmetic number, because the mean of its divisors is an integer number (7657312).

Almost surely, 2^15314623 is an apocalyptic number.

15314623 is a deficient number, since it is larger than the sum of its proper divisors (1).

15314623 is an equidigital number, since it uses as much as digits as its factorization.

15314623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 15314623 is about 3913.3902182123. The cubic root of 15314623 is about 248.3335727618. Note that the first 3 decimals are identical.

Adding to 15314623 its reverse (32641351), we get a palindrome (47955974).

The spelling of 15314623 in words is "fifteen million, three hundred fourteen thousand, six hundred twenty-three".