723372623 has 2 divisors, whose sum is σ = 723372624. Its totient is φ = 723372622.

The previous prime is 723372619. The next prime is 723372677. The reversal of 723372623 is 326273327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 723372623 - 2² = 723372619 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723372613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361686311 + 361686312.

It is an arithmetic number, because the mean of its divisors is an integer number (361686312).

Almost surely, 2^723372623 is an apocalyptic number.

723372623 is a deficient number, since it is larger than the sum of its proper divisors (1).

723372623 is an equidigital number, since it uses as much as digits as its factorization.

723372623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 35.

The square root of 723372623 is about 26895.5874261932. The cubic root of 723372623 is about 897.6782225347.

The spelling of 723372623 in words is "seven hundred twenty-three million, three hundred seventy-two thousand, six hundred twenty-three".