723973267 has 2 divisors, whose sum is σ = 723973268. Its totient is φ = 723973266.

The previous prime is 723973253. The next prime is 723973273. The reversal of 723973267 is 762379327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 723973267 - 2²³ = 715584659 is a prime.

It is a super-5 number, since 5×723973267⁵ (a number of 45 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (723973667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361986633 + 361986634.

It is an arithmetic number, because the mean of its divisors is an integer number (361986634).

Almost surely, 2^723973267 is an apocalyptic number.

723973267 is a deficient number, since it is larger than the sum of its proper divisors (1).

723973267 is an equidigital number, since it uses as much as digits as its factorization.

723973267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 46.

The square root of 723973267 is about 26906.7513275014. The cubic root of 723973267 is about 897.9266126703.

The spelling of 723973267 in words is "seven hundred twenty-three million, nine hundred seventy-three thousand, two hundred sixty-seven".