23011111130 has 32 divisors (see below), whose sum is σ = 48113170560. Its totient is φ = 7760185920.

The previous prime is 23011111129. The next prime is 23011111163. The reversal of 23011111130 is 3111111032.

It is a happy number.

It is a super-2 number, since 2×23011111130² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 2690240 + ... + 2698779.

It is an arithmetic number, because the mean of its divisors is an integer number (1503536580).

Almost surely, 2^23011111130 is an apocalyptic number.

23011111130 is an abundant number, since it is smaller than the sum of its proper divisors (25102059430).

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

23011111130 is a wasteful number, since it uses less digits than its factorization.

23011111130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389094.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 23011111130 its reverse (3111111032), we get a palindrome (26122222162).

The spelling of 23011111130 in words is "twenty-three billion, eleven million, one hundred eleven thousand, one hundred thirty".