23122131030 has 24 divisors (see below), whose sum is σ = 60117540912. Its totient is φ = 6165901584.

The previous prime is 23122131029. The next prime is 23122131031. The reversal of 23122131030 is 3013122132.

It is an interprime number because it is at equal distance from previous prime (23122131029) and next prime (23122131031).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23122130994 and 23122131012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122131031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128456194 + ... + 128456373.

It is an arithmetic number, because the mean of its divisors is an integer number (2504897538).

Almost surely, 2^23122131030 is an apocalyptic number.

23122131030 is an abundant number, since it is smaller than the sum of its proper divisors (36995409882).

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

23122131030 is a wasteful number, since it uses less digits than its factorization.

23122131030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256912580 (or 256912577 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23122131030 its reverse (3013122132), we get a palindrome (26135253162).

The spelling of 23122131030 in words is "twenty-three billion, one hundred twenty-two million, one hundred thirty-one thousand, thirty".