23403440130 has 32 divisors (see below), whose sum is σ = 64192293504. Its totient is φ = 5349357696.

The previous prime is 23403440101. The next prime is 23403440189. The reversal of 23403440130 is 3104430432.

It is a self number, because there is not a number n which added to its sum of digits gives 23403440130.

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, 55722267 + ... + 55722686.

It is an arithmetic number, because the mean of its divisors is an integer number (2006009172).

Almost surely, 2^23403440130 is an apocalyptic number.

23403440130 is an abundant number, since it is smaller than the sum of its proper divisors (40788853374).

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

23403440130 is a wasteful number, since it uses less digits than its factorization.

23403440130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111444970.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23403440130 its reverse (3104430432), we get a palindrome (26507870562).

The spelling of 23403440130 in words is "twenty-three billion, four hundred three million, four hundred forty thousand, one hundred thirty".