2321428730 has 32 divisors (see below), whose sum is σ = 4273473600. Its totient is φ = 907695360.

The previous prime is 2321428679. The next prime is 2321428751. The reversal of 2321428730 is 378241232.

2321428730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74546 + ... + 100994.

It is an arithmetic number, because the mean of its divisors is an integer number (133546050).

Almost surely, 2^2321428730 is an apocalyptic number.

2321428730 is a deficient number, since it is larger than the sum of its proper divisors (1952044870).

2321428730 is a wasteful number, since it uses less digits than its factorization.

2321428730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26654.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 2321428730 is about 48181.2072285450. The cubic root of 2321428730 is about 1324.0928842781.

Adding to 2321428730 its reverse (378241232), we get a palindrome (2699669962).

The spelling of 2321428730 in words is "two billion, three hundred twenty-one million, four hundred twenty-eight thousand, seven hundred thirty".