1323933745 has 16 divisors (see below), whose sum is σ = 1636128000. Its totient is φ = 1027997568.

The previous prime is 1323933739. The next prime is 1323933757. The reversal of 1323933745 is 5473393231.

It is a cyclic number.

It is not a de Polignac number, because 1323933745 - 2⁷ = 1323933617 is a prime.

It is a super-2 number, since 2×1323933745² = 3505601122299450050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1323933698 and 1323933707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5100 + ... + 51709.

It is an arithmetic number, because the mean of its divisors is an integer number (102258000).

Almost surely, 2^1323933745 is an apocalyptic number.

It is an amenable number.

1323933745 is a deficient number, since it is larger than the sum of its proper divisors (312194255).

1323933745 is an equidigital number, since it uses as much as digits as its factorization.

1323933745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56952.

The product of its digits is 204120, while the sum is 40.

The square root of 1323933745 is about 36385.9003598922. The cubic root of 1323933745 is about 1098.0499182130.

The spelling of 1323933745 in words is "one billion, three hundred twenty-three million, nine hundred thirty-three thousand, seven hundred forty-five".