264999923 has 2 divisors, whose sum is σ = 264999924. Its totient is φ = 264999922.

The previous prime is 264999907. The next prime is 264999937. The reversal of 264999923 is 329999462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264999923 - 2⁴ = 264999907 is a prime.

It is not a weakly prime, because it can be changed into another prime (264999983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132499961 + 132499962.

It is an arithmetic number, because the mean of its divisors is an integer number (132499962).

Almost surely, 2^264999923 is an apocalyptic number.

264999923 is a deficient number, since it is larger than the sum of its proper divisors (1).

264999923 is an equidigital number, since it uses as much as digits as its factorization.

264999923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 53.

The square root of 264999923 is about 16278.8182310633. The cubic root of 264999923 is about 642.3157666445.

The spelling of 264999923 in words is "two hundred sixty-four million, nine hundred ninety-nine thousand, nine hundred twenty-three".