23110230990 has 128 divisors (see below), whose sum is σ = 69208888320. Its totient is φ = 4798080000.

The previous prime is 23110230989. The next prime is 23110230991. The reversal of 23110230990 is 9903201132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23110230989) and next prime (23110230991).

It is a super-2 number, since 2×23110230990² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23110230991) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3297490 + ... + 3304490.

It is an arithmetic number, because the mean of its divisors is an integer number (540694440).

Almost surely, 2^23110230990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23110230990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34604444160).

23110230990 is an abundant number, since it is smaller than the sum of its proper divisors (46098657330).

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

23110230990 is a wasteful number, since it uses less digits than its factorization.

23110230990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8458.

The product of its (nonzero) digits is 2916, while the sum is 30.

The spelling of 23110230990 in words is "twenty-three billion, one hundred ten million, two hundred thirty thousand, nine hundred ninety".