724550923 has 2 divisors, whose sum is σ = 724550924. Its totient is φ = 724550922.

The previous prime is 724550891. The next prime is 724550927. The reversal of 724550923 is 329055427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 724550923 - 2⁵ = 724550891 is a prime.

It is not a weakly prime, because it can be changed into another prime (724550927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362275461 + 362275462.

It is an arithmetic number, because the mean of its divisors is an integer number (362275462).

Almost surely, 2^724550923 is an apocalyptic number.

724550923 is a deficient number, since it is larger than the sum of its proper divisors (1).

724550923 is an equidigital number, since it uses as much as digits as its factorization.

724550923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 724550923 is about 26917.4835933822. The cubic root of 724550923 is about 898.1653667909.

The spelling of 724550923 in words is "seven hundred twenty-four million, five hundred fifty thousand, nine hundred twenty-three".