1304137423 has 2 divisors, whose sum is σ = 1304137424. Its totient is φ = 1304137422.

The previous prime is 1304137397. The next prime is 1304137427. The reversal of 1304137423 is 3247314031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1304137423 - 2¹³ = 1304129231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1304137391 and 1304137400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304137427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652068711 + 652068712.

It is an arithmetic number, because the mean of its divisors is an integer number (652068712).

Almost surely, 2^1304137423 is an apocalyptic number.

1304137423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304137423 is an equidigital number, since it uses as much as digits as its factorization.

1304137423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 1304137423 is about 36112.8429094138. The cubic root of 1304137423 is about 1092.5494912709.

The spelling of 1304137423 in words is "one billion, three hundred four million, one hundred thirty-seven thousand, four hundred twenty-three".