1323640524 has 36 divisors (see below), whose sum is σ = 3228630776. Its totient is φ = 422028288.

The previous prime is 1323640517. The next prime is 1323640559. The reversal of 1323640524 is 4250463231.

1323640524 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1323640491 and 1323640500.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97909 + ... + 110604.

Almost surely, 2^1323640524 is an apocalyptic number.

It is an amenable number.

1323640524 is an abundant number, since it is smaller than the sum of its proper divisors (1904990252).

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

1323640524 is a wasteful number, since it uses less digits than its factorization.

1323640524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208566 (or 208541 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1323640524 is about 36381.8708150090. The cubic root of 1323640524 is about 1097.9688479256.

The spelling of 1323640524 in words is "one billion, three hundred twenty-three million, six hundred forty thousand, five hundred twenty-four".