1304202423 has 4 divisors (see below), whose sum is σ = 1738936568. Its totient is φ = 869468280.

The previous prime is 1304202409. The next prime is 1304202433. The reversal of 1304202423 is 3242024031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3242024031 = 3 ⋅1080674677.

It is not a de Polignac number, because 1304202423 - 2⁴ = 1304202407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304202423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304202433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217367068 + ... + 217367073.

It is an arithmetic number, because the mean of its divisors is an integer number (434734142).

Almost surely, 2^1304202423 is an apocalyptic number.

1304202423 is a deficient number, since it is larger than the sum of its proper divisors (434734145).

1304202423 is an equidigital number, since it uses as much as digits as its factorization.

1304202423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434734144.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1304202423 is about 36113.7428550407. The cubic root of 1304202423 is about 1092.5676423583.

Adding to 1304202423 its reverse (3242024031), we get a palindrome (4546226454).

The spelling of 1304202423 in words is "one billion, three hundred four million, two hundred two thousand, four hundred twenty-three".