1304391423 has 8 divisors (see below), whose sum is σ = 1776192768. Its totient is φ = 851092184.

The previous prime is 1304391359. The next prime is 1304391461. The reversal of 1304391423 is 3241934031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1304391423 - 2⁶ = 1304391359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304391463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4625361 + ... + 4625642.

It is an arithmetic number, because the mean of its divisors is an integer number (222024096).

Almost surely, 2^1304391423 is an apocalyptic number.

1304391423 is a deficient number, since it is larger than the sum of its proper divisors (471801345).

1304391423 is an equidigital number, since it uses as much as digits as its factorization.

1304391423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9251053.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1304391423 is about 36116.3594926177. The cubic root of 1304391423 is about 1092.6204167096.

The spelling of 1304391423 in words is "one billion, three hundred four million, three hundred ninety-one thousand, four hundred twenty-three".