1512923 has 2 divisors, whose sum is σ = 1512924. Its totient is φ = 1512922.

The previous prime is 1512877. The next prime is 1512943. The reversal of 1512923 is 3292151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1512923 - 2¹⁶ = 1447387 is a prime.

It is not a weakly prime, because it can be changed into another prime (1512943) 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, 756461 + 756462.

It is an arithmetic number, because the mean of its divisors is an integer number (756462).

2^1512923 is an apocalyptic number.

1512923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1512923 is an equidigital number, since it uses as much as digits as its factorization.

1512923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 23.

The square root of 1512923 is about 1230.0093495580. The cubic root of 1512923 is about 114.7992211823.

Subtracting from 1512923 its sum of digits (23), we obtain a square (1512900 = 1230²).

The spelling of 1512923 in words is "one million, five hundred twelve thousand, nine hundred twenty-three".