2123430430 has 32 divisors (see below), whose sum is σ = 4171834368. Its totient is φ = 771751200.

The previous prime is 2123430427. The next prime is 2123430451. The reversal of 2123430430 is 340343212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 275935 + ... + 283525.

It is an arithmetic number, because the mean of its divisors is an integer number (130369824).

Almost surely, 2^2123430430 is an apocalyptic number.

2123430430 is a deficient number, since it is larger than the sum of its proper divisors (2048403938).

2123430430 is a wasteful number, since it uses less digits than its factorization.

2123430430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10152.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2123430430 is about 46080.6947647277. The cubic root of 2123430430 is about 1285.3241835253.

Adding to 2123430430 its reverse (340343212), we get a palindrome (2463773642).

The spelling of 2123430430 in words is "two billion, one hundred twenty-three million, four hundred thirty thousand, four hundred thirty".