264123263 has 2 divisors, whose sum is σ = 264123264. Its totient is φ = 264123262.

The previous prime is 264123257. The next prime is 264123289. The reversal of 264123263 is 362321462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264123263 - 2¹⁰ = 264122239 is a prime.

It is a super-2 number, since 2×264123263² = 139522196115534338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254123263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132061631 + 132061632.

It is an arithmetic number, because the mean of its divisors is an integer number (132061632).

Almost surely, 2^264123263 is an apocalyptic number.

264123263 is a deficient number, since it is larger than the sum of its proper divisors (1).

264123263 is an equidigital number, since it uses as much as digits as its factorization.

264123263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

The square root of 264123263 is about 16251.8695232272. The cubic root of 264123263 is about 641.6066914503.

The spelling of 264123263 in words is "two hundred sixty-four million, one hundred twenty-three thousand, two hundred sixty-three".