722023423 has 16 divisors (see below), whose sum is σ = 809602560. Its totient is φ = 638352000.

The previous prime is 722023417. The next prime is 722023433. The reversal of 722023423 is 324320227.

It is not a de Polignac number, because 722023423 - 2¹⁷ = 721892351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722023433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52023 + ... + 64423.

It is an arithmetic number, because the mean of its divisors is an integer number (50600160).

Almost surely, 2^722023423 is an apocalyptic number.

722023423 is a deficient number, since it is larger than the sum of its proper divisors (87579137).

722023423 is a wasteful number, since it uses less digits than its factorization.

722023423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12558.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 722023423 is about 26870.4935384522. The cubic root of 722023423 is about 897.1197730385.

It can be divided in two parts, 72202 and 3423, that added together give a square (75625 = 275²).

The spelling of 722023423 in words is "seven hundred twenty-two million, twenty-three thousand, four hundred twenty-three".