1268804523 has 16 divisors (see below), whose sum is σ = 1953351680. Its totient is φ = 717555456.

The previous prime is 1268804513. The next prime is 1268804533. The reversal of 1268804523 is 3254088621.

It is an interprime number because it is at equal distance from previous prime (1268804513) and next prime (1268804533).

It is not a de Polignac number, because 1268804523 - 2¹⁰ = 1268803499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1268804513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309403 + ... + 313476.

It is an arithmetic number, because the mean of its divisors is an integer number (122084480).

Almost surely, 2^1268804523 is an apocalyptic number.

1268804523 is a deficient number, since it is larger than the sum of its proper divisors (684547157).

1268804523 is an equidigital number, since it uses as much as digits as its factorization.

1268804523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622986.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 1268804523 is about 35620.2824665948. The cubic root of 1268804523 is about 1082.5922307618.

The spelling of 1268804523 in words is "one billion, two hundred sixty-eight million, eight hundred four thousand, five hundred twenty-three".