1304023402 has 16 divisors (see below), whose sum is σ = 2134626624. Its totient is φ = 592524000.

The previous prime is 1304023381. The next prime is 1304023421. The reversal of 1304023402 is 2043204031.

It is a self number, because there is not a number n which added to its sum of digits gives 1304023402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62902 + ... + 81022.

It is an arithmetic number, because the mean of its divisors is an integer number (133414164).

Almost surely, 2^1304023402 is an apocalyptic number.

1304023402 is a deficient number, since it is larger than the sum of its proper divisors (830603222).

1304023402 is a wasteful number, since it uses less digits than its factorization.

1304023402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21405.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1304023402 is about 36111.2641983080. The cubic root of 1304023402 is about 1092.5176497348.

Adding to 1304023402 its reverse (2043204031), we get a palindrome (3347227433).

The spelling of 1304023402 in words is "one billion, three hundred four million, twenty-three thousand, four hundred two".