1323314402432 has 32 divisors (see below), whose sum is σ = 2875953178800. Its totient is φ = 601506545920.

The previous prime is 1323314402413. The next prime is 1323314402467. The reversal of 1323314402432 is 2342044133231.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1323314402432² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469925582 + ... + 469928397.

Almost surely, 2^{1323314402432} is an apocalyptic number.

It is an amenable number.

1323314402432 is an abundant number, since it is smaller than the sum of its proper divisors (1552638776368).

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

1323314402432 is an equidigital number, since it uses as much as digits as its factorization.

1323314402432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939854004 (or 939853992 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1323314402432 its reverse (2342044133231), we get a palindrome (3665358535663).

The spelling of 1323314402432 in words is "one trillion, three hundred twenty-three billion, three hundred fourteen million, four hundred two thousand, four hundred thirty-two".