1263760323 has 24 divisors (see below), whose sum is σ = 2045346048. Its totient is φ = 690749136.

The previous prime is 1263760313. The next prime is 1263760367. The reversal of 1263760323 is 3230673621.

It is not a de Polignac number, because 1263760323 - 2⁴ = 1263760307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1263760313) 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 23 ways as a sum of consecutive naturals, for example, 183511 + ... + 190272.

It is an arithmetic number, because the mean of its divisors is an integer number (85222752).

Almost surely, 2^1263760323 is an apocalyptic number.

1263760323 is a deficient number, since it is larger than the sum of its proper divisors (781585725).

1263760323 is a wasteful number, since it uses less digits than its factorization.

1263760323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373823 (or 373816 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 1263760323 is about 35549.4067882996. The cubic root of 1263760323 is about 1081.1556910271.

The spelling of 1263760323 in words is "one billion, two hundred sixty-three million, seven hundred sixty thousand, three hundred twenty-three".