723433444 has 12 divisors (see below), whose sum is σ = 1321052544. Its totient is φ = 345989864.

The previous prime is 723433441. The next prime is 723433463. The reversal of 723433444 is 444334327.

It is a super-2 number, since 2×723433444² = 1046711895795402272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (723433441) 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, 3931612 + ... + 3931795.

It is an arithmetic number, because the mean of its divisors is an integer number (110087712).

Almost surely, 2^723433444 is an apocalyptic number.

It is an amenable number.

723433444 is a deficient number, since it is larger than the sum of its proper divisors (597619100).

723433444 is a wasteful number, since it uses less digits than its factorization.

723433444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863434 (or 7863432 counting only the distinct ones).

The product of its digits is 96768, while the sum is 34.

The square root of 723433444 is about 26896.7180897596. The cubic root of 723433444 is about 897.7033806875.

The spelling of 723433444 in words is "seven hundred twenty-three million, four hundred thirty-three thousand, four hundred forty-four".