23202040130 has 32 divisors (see below), whose sum is σ = 44676270576. Its totient is φ = 8644829184.

The previous prime is 23202040123. The next prime is 23202040139. The reversal of 23202040130 is 3104020232.

It can be written as a sum of positive squares in 8 ways, for example, as 20335615609 + 2866424521 = 142603^2 + 53539^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 23202040099 and 23202040108.

It is not an unprimeable number, because it can be changed into a prime (23202040139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687029 + ... + 720008.

Almost surely, 2^23202040130 is an apocalyptic number.

23202040130 is a deficient number, since it is larger than the sum of its proper divisors (21474230446).

23202040130 is a wasteful number, since it uses less digits than its factorization.

23202040130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407158.

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

Adding to 23202040130 its reverse (3104020232), we get a palindrome (26306060362).

The spelling of 23202040130 in words is "twenty-three billion, two hundred two million, forty thousand, one hundred thirty".