1323560238 has 64 divisors (see below), whose sum is σ = 3554191872. Its totient is φ = 317335680.

The previous prime is 1323560219. The next prime is 1323560243. The reversal of 1323560238 is 8320653231.

It is a super-2 number, since 2×1323560238² = 3503623407229233288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 1323560199 and 1323560208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104181 + ... + 116192.

It is an arithmetic number, because the mean of its divisors is an integer number (55534248).

Almost surely, 2^1323560238 is an apocalyptic number.

1323560238 is an abundant number, since it is smaller than the sum of its proper divisors (2230631634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323560238 is a wasteful number, since it uses less digits than its factorization.

1323560238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220409.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1323560238 is about 36380.7674190636. The cubic root of 1323560238 is about 1097.9466482151.

The spelling of 1323560238 in words is "one billion, three hundred twenty-three million, five hundred sixty thousand, two hundred thirty-eight".