1264452923 has 2 divisors, whose sum is σ = 1264452924. Its totient is φ = 1264452922.

The previous prime is 1264452913. The next prime is 1264452949. The reversal of 1264452923 is 3292544621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1264452923 - 2²⁶ = 1197344059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1264452913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632226461 + 632226462.

It is an arithmetic number, because the mean of its divisors is an integer number (632226462).

Almost surely, 2^1264452923 is an apocalyptic number.

1264452923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264452923 is an equidigital number, since it uses as much as digits as its factorization.

1264452923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The square root of 1264452923 is about 35559.1468260981. The cubic root of 1264452923 is about 1081.3531629858.

The spelling of 1264452923 in words is "one billion, two hundred sixty-four million, four hundred fifty-two thousand, nine hundred twenty-three".