1323476657 has 4 divisors (see below), whose sum is σ = 1323998016. Its totient is φ = 1322955300.

The previous prime is 1323476647. The next prime is 1323476677. The reversal of 1323476657 is 7566743231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1323476657 - 2¹⁰ = 1323475633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323476617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256853 + ... + 261954.

It is an arithmetic number, because the mean of its divisors is an integer number (330999504).

Almost surely, 2^1323476657 is an apocalyptic number.

It is an amenable number.

1323476657 is a deficient number, since it is larger than the sum of its proper divisors (521359).

1323476657 is an equidigital number, since it uses as much as digits as its factorization.

1323476657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521358.

The product of its digits is 635040, while the sum is 44.

The square root of 1323476657 is about 36379.6187033344. The cubic root of 1323476657 is about 1097.9235364574.

The spelling of 1323476657 in words is "one billion, three hundred twenty-three million, four hundred seventy-six thousand, six hundred fifty-seven".