1263768023 has 16 divisors (see below), whose sum is σ = 1470597120. Its totient is φ = 1063557600.

The previous prime is 1263767971. The next prime is 1263768031. The reversal of 1263768023 is 3208673621.

It is not a de Polignac number, because 1263768023 - 2¹⁸ = 1263505879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263768073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486458 + ... + 489048.

It is an arithmetic number, because the mean of its divisors is an integer number (91912320).

Almost surely, 2^1263768023 is an apocalyptic number.

1263768023 is a deficient number, since it is larger than the sum of its proper divisors (206829097).

1263768023 is a wasteful number, since it uses less digits than its factorization.

1263768023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 1263768023 is about 35549.5150881134. The cubic root of 1263768023 is about 1081.1578868237.

The spelling of 1263768023 in words is "one billion, two hundred sixty-three million, seven hundred sixty-eight thousand, twenty-three".