724747423 has 2 divisors, whose sum is σ = 724747424. Its totient is φ = 724747422.

The previous prime is 724747369. The next prime is 724747433. The reversal of 724747423 is 324747427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 724747423 - 2²⁵ = 691192991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724747433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362373711 + 362373712.

It is an arithmetic number, because the mean of its divisors is an integer number (362373712).

Almost surely, 2^724747423 is an apocalyptic number.

724747423 is a deficient number, since it is larger than the sum of its proper divisors (1).

724747423 is an equidigital number, since it uses as much as digits as its factorization.

724747423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 263424, while the sum is 40.

The square root of 724747423 is about 26921.1333899596. The cubic root of 724747423 is about 898.2465543406.

It can be divided in two parts, 72474 and 7423, that added together give a palindrome (79897).

The spelling of 724747423 in words is "seven hundred twenty-four million, seven hundred forty-seven thousand, four hundred twenty-three".