23130726 has 16 divisors (see below), whose sum is σ = 46848000. Its totient is φ = 7612488.

The previous prime is 23130703. The next prime is 23130739. The reversal of 23130726 is 62703132.

It is a junction number, because it is equal to n+sod(n) for n = 23130696 and 23130705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23926 + ... + 24873.

It is an arithmetic number, because the mean of its divisors is an integer number (2928000).

Almost surely, 2^23130726 is an apocalyptic number.

23130726 is an abundant number, since it is smaller than the sum of its proper divisors (23717274).

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

23130726 is a wasteful number, since it uses less digits than its factorization.

23130726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48883.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 23130726 is about 4809.4413396984. The cubic root of 23130726 is about 284.9244736773.

Adding to 23130726 its reverse (62703132), we get a palindrome (85833858).

The spelling of 23130726 in words is "twenty-three million, one hundred thirty thousand, seven hundred twenty-six".