1264231023 has 32 divisors (see below), whose sum is σ = 1889782272. Its totient is φ = 745113600.

The previous prime is 1264231021. The next prime is 1264231049. The reversal of 1264231023 is 3201324621.

It is not a de Polignac number, because 1264231023 - 2¹ = 1264231021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1264230984 and 1264231002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264231021) 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 31 ways as a sum of consecutive naturals, for example, 476286 + ... + 478932.

It is an arithmetic number, because the mean of its divisors is an integer number (59055696).

Almost surely, 2^1264231023 is an apocalyptic number.

1264231023 is a deficient number, since it is larger than the sum of its proper divisors (625551249).

1264231023 is a wasteful number, since it uses less digits than its factorization.

1264231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1264231023 is about 35556.0265355959. The cubic root of 1264231023 is about 1081.2899034000.

Adding to 1264231023 its reverse (3201324621), we get a palindrome (4465555644).

The spelling of 1264231023 in words is "one billion, two hundred sixty-four million, two hundred thirty-one thousand, twenty-three".