264332623 has 2 divisors, whose sum is σ = 264332624. Its totient is φ = 264332622.

The previous prime is 264332603. The next prime is 264332633. The reversal of 264332623 is 326233462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264332623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264332603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132166311 + 132166312.

It is an arithmetic number, because the mean of its divisors is an integer number (132166312).

Almost surely, 2^264332623 is an apocalyptic number.

264332623 is a deficient number, since it is larger than the sum of its proper divisors (1).

264332623 is an equidigital number, since it uses as much as digits as its factorization.

264332623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 31.

The square root of 264332623 is about 16258.3093524511. The cubic root of 264332623 is about 641.7761720421.

The spelling of 264332623 in words is "two hundred sixty-four million, three hundred thirty-two thousand, six hundred twenty-three".