723257433 has 12 divisors (see below), whose sum is σ = 1045961280. Its totient is φ = 481591896.

The previous prime is 723257413. The next prime is 723257441. The reversal of 723257433 is 334752327.

It is not a de Polignac number, because 723257433 - 2⁶ = 723257369 is a prime.

It is a super-3 number, since 3×723257433³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (723257413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40341 + ... + 55442.

It is an arithmetic number, because the mean of its divisors is an integer number (87163440).

Almost surely, 2^723257433 is an apocalyptic number.

It is an amenable number.

723257433 is a deficient number, since it is larger than the sum of its proper divisors (322703847).

723257433 is a wasteful number, since it uses less digits than its factorization.

723257433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96628 (or 96625 counting only the distinct ones).

The product of its digits is 105840, while the sum is 36.

The square root of 723257433 is about 26893.4459115971. The cubic root of 723257433 is about 897.6305711858.

The spelling of 723257433 in words is "seven hundred twenty-three million, two hundred fifty-seven thousand, four hundred thirty-three".