1304401323 has 24 divisors (see below), whose sum is σ = 1849055040. Its totient is φ = 817635280.

The previous prime is 1304401261. The next prime is 1304401327. The reversal of 1304401323 is 3231044031.

It is a de Polignac number, because none of the positive numbers 2^k-1304401323 is a prime.

It is a super-2 number, since 2×1304401323² = 3402925622888300658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1304401323.

It is not an unprimeable number, because it can be changed into a prime (1304401327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86668 + ... + 100598.

It is an arithmetic number, because the mean of its divisors is an integer number (77043960).

Almost surely, 2^1304401323 is an apocalyptic number.

1304401323 is a deficient number, since it is larger than the sum of its proper divisors (544653717).

1304401323 is a wasteful number, since it uses less digits than its factorization.

1304401323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14039 (or 14016 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1304401323 is about 36116.4965493609. The cubic root of 1304401323 is about 1092.6231809398.

Adding to 1304401323 its reverse (3231044031), we get a palindrome (4535445354).

The spelling of 1304401323 in words is "one billion, three hundred four million, four hundred one thousand, three hundred twenty-three".