1230400430 has 16 divisors (see below), whose sum is σ = 2531109600. Its totient is φ = 421851552.

The previous prime is 1230400427. The next prime is 1230400453. The reversal of 1230400430 is 340040321.

It is a junction number, because it is equal to n+sod(n) for n = 1230400399 and 1230400408.

It is a congruent number.

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, 8788505 + ... + 8788644.

It is an arithmetic number, because the mean of its divisors is an integer number (158194350).

Almost surely, 2^1230400430 is an apocalyptic number.

1230400430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230400430 is an abundant number, since it is smaller than the sum of its proper divisors (1300709170).

1230400430 is a wasteful number, since it uses less digits than its factorization.

1230400430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17577163.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1230400430 is about 35077.0641587919. The cubic root of 1230400430 is about 1071.5575273271.

Adding to 1230400430 its reverse (340040321), we get a palindrome (1570440751).

The spelling of 1230400430 in words is "one billion, two hundred thirty million, four hundred thousand, four hundred thirty".