1304423330 has 64 divisors (see below), whose sum is σ = 2750837760. Its totient is φ = 436113600.

The previous prime is 1304423317. The next prime is 1304423371. The reversal of 1304423330 is 333244031.

1304423330 = T₄₉₃₂ + T₄₉₃₃ + ... + T₅₀₃₆.

It is a junction number, because it is equal to n+sod(n) for n = 1304423296 and 1304423305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 539825 + ... + 542235.

It is an arithmetic number, because the mean of its divisors is an integer number (42981840).

Almost surely, 2^1304423330 is an apocalyptic number.

1304423330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304423330 is an abundant number, since it is smaller than the sum of its proper divisors (1446414430).

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

1304423330 is a wasteful number, since it uses less digits than its factorization.

1304423330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 1304423330 is about 36116.8012149470. The cubic root of 1304423330 is about 1092.6293255782.

Adding to 1304423330 its reverse (333244031), we get a palindrome (1637667361).

The spelling of 1304423330 in words is "one billion, three hundred four million, four hundred twenty-three thousand, three hundred thirty".