723472373 has 4 divisors (see below), whose sum is σ = 779124108. Its totient is φ = 667820640.

The previous prime is 723472361. The next prime is 723472411. The reversal of 723472373 is 373274327.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 499880164 + 223592209 = 22358^2 + 14953^2 .

It is a cyclic number.

It is not a de Polignac number, because 723472373 - 2⁴ = 723472357 is a prime.

It is a super-2 number, since 2×723472373² = 1046824548988502258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723472303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27825848 + ... + 27825873.

It is an arithmetic number, because the mean of its divisors is an integer number (194781027).

Almost surely, 2^723472373 is an apocalyptic number.

It is an amenable number.

723472373 is a deficient number, since it is larger than the sum of its proper divisors (55651735).

723472373 is a wasteful number, since it uses less digits than its factorization.

723472373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55651734.

The product of its digits is 148176, while the sum is 38.

The square root of 723472373 is about 26897.4417556763. The cubic root of 723472373 is about 897.7194826378.

The spelling of 723472373 in words is "seven hundred twenty-three million, four hundred seventy-two thousand, three hundred seventy-three".