723922494 has 16 divisors (see below), whose sum is σ = 1449235200. Its totient is φ = 241075800.

The previous prime is 723922489. The next prime is 723922513. The reversal of 723922494 is 494229327.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51094 + ... + 63705.

It is an arithmetic number, because the mean of its divisors is an integer number (90577200).

Almost surely, 2^723922494 is an apocalyptic number.

723922494 is an abundant number, since it is smaller than the sum of its proper divisors (725312706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

723922494 is a wasteful number, since it uses less digits than its factorization.

723922494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115855.

The product of its digits is 217728, while the sum is 42.

The square root of 723922494 is about 26905.8078116975. The cubic root of 723922494 is about 897.9056213364.

The spelling of 723922494 in words is "seven hundred twenty-three million, nine hundred twenty-two thousand, four hundred ninety-four".