1264660323 has 8 divisors (see below), whose sum is σ = 1694688000. Its totient is φ = 838869768.

The previous prime is 1264660303. The next prime is 1264660337. The reversal of 1264660323 is 3230664621.

1264660323 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1264660323 - 2¹² = 1264656227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1264660303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058583 + ... + 1059776.

It is an arithmetic number, because the mean of its divisors is an integer number (211836000).

Almost surely, 2^1264660323 is an apocalyptic number.

1264660323 is a deficient number, since it is larger than the sum of its proper divisors (430027677).

1264660323 is a wasteful number, since it uses less digits than its factorization.

1264660323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118561.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 1264660323 is about 35562.0629744676. The cubic root of 1264660323 is about 1081.4122821989.

The spelling of 1264660323 in words is "one billion, two hundred sixty-four million, six hundred sixty thousand, three hundred twenty-three".