1263808023 has 16 divisors (see below), whose sum is σ = 1767744000. Its totient is φ = 802024160.

The previous prime is 1263808003. The next prime is 1263808061. The reversal of 1263808023 is 3208083621.

It is a cyclic number.

It is not a de Polignac number, because 1263808023 - 2⁵ = 1263807991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263808003) 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, 96123 + ... + 108476.

It is an arithmetic number, because the mean of its divisors is an integer number (110484000).

Almost surely, 2^1263808023 is an apocalyptic number.

1263808023 is a deficient number, since it is larger than the sum of its proper divisors (503935977).

1263808023 is a wasteful number, since it uses less digits than its factorization.

1263808023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204702.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1263808023 is about 35550.0776792400. The cubic root of 1263808023 is about 1081.1692934158.

The spelling of 1263808023 in words is "one billion, two hundred sixty-three million, eight hundred eight thousand, twenty-three".