623452723 has 2 divisors, whose sum is σ = 623452724. Its totient is φ = 623452722.

The previous prime is 623452721. The next prime is 623452741. The reversal of 623452723 is 327254326.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 623452723 - 2¹ = 623452721 is a prime.

It is a super-2 number, since 2×623452723² = 777386595632229458, which contains 22 as substring.

Together with 623452721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (623452721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311726361 + 311726362.

It is an arithmetic number, because the mean of its divisors is an integer number (311726362).

Almost surely, 2^623452723 is an apocalyptic number.

623452723 is a deficient number, since it is larger than the sum of its proper divisors (1).

623452723 is an equidigital number, since it uses as much as digits as its factorization.

623452723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 34.

The square root of 623452723 is about 24969.0352837269. The cubic root of 623452723 is about 854.2818419201.

The spelling of 623452723 in words is "six hundred twenty-three million, four hundred fifty-two thousand, seven hundred twenty-three".