1323307507 has 4 divisors (see below), whose sum is σ = 1380842640. Its totient is φ = 1265772376.

The previous prime is 1323307501. The next prime is 1323307511. The reversal of 1323307507 is 7057033231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7057033231 = 229 ⋅30816739.

It is a cyclic number.

It is not a de Polignac number, because 1323307507 - 2¹⁵ = 1323274739 is a prime.

It is a super-2 number, since 2×1323307507² = 3502285516165110098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323307501) 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, 28767532 + ... + 28767577.

It is an arithmetic number, because the mean of its divisors is an integer number (345210660).

Almost surely, 2^1323307507 is an apocalyptic number.

1323307507 is a deficient number, since it is larger than the sum of its proper divisors (57535133).

1323307507 is an equidigital number, since it uses as much as digits as its factorization.

1323307507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57535132.

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 1323307507 is about 36377.2938383272. The cubic root of 1323307507 is about 1097.8767602442.

The spelling of 1323307507 in words is "one billion, three hundred twenty-three million, three hundred seven thousand, five hundred seven".