1304523400 has 48 divisors (see below), whose sum is σ = 3130871040. Its totient is φ = 504974400.

The previous prime is 1304523377. The next prime is 1304523421. The reversal of 1304523400 is 43254031.

It is a super-2 number, since 2×1304523400² = 3403562602295120000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99004 + ... + 111403.

It is an arithmetic number, because the mean of its divisors is an integer number (65226480).

Almost surely, 2^1304523400 is an apocalyptic number.

1304523400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304523400 is an abundant number, since it is smaller than the sum of its proper divisors (1826347640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1304523400 is a wasteful number, since it uses less digits than its factorization.

1304523400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210454 (or 210445 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1304523400 is about 36118.1865546985. The cubic root of 1304523400 is about 1092.6572655417.

Adding to 1304523400 its reverse (43254031), we get a palindrome (1347777431).

The spelling of 1304523400 in words is "one billion, three hundred four million, five hundred twenty-three thousand, four hundred".