512900923 has 2 divisors, whose sum is σ = 512900924. Its totient is φ = 512900922.

The previous prime is 512900911. The next prime is 512900957. The reversal of 512900923 is 329009215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 512900923 - 2⁵ = 512900891 is a prime.

It is not a weakly prime, because it can be changed into another prime (512900903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256450461 + 256450462.

It is an arithmetic number, because the mean of its divisors is an integer number (256450462).

Almost surely, 2^512900923 is an apocalyptic number.

512900923 is a deficient number, since it is larger than the sum of its proper divisors (1).

512900923 is an equidigital number, since it uses as much as digits as its factorization.

512900923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 512900923 is about 22647.3160219925. The cubic root of 512900923 is about 800.4689557761.

The spelling of 512900923 in words is "five hundred twelve million, nine hundred thousand, nine hundred twenty-three".