23011023112 has 128 divisors (see below), whose sum is σ = 54503642880. Its totient is φ = 8847360000.

The previous prime is 23011023103. The next prime is 23011023121. The reversal of 23011023112 is 21132011032.

It is an interprime number because it is at equal distance from previous prime (23011023103) and next prime (23011023121).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35898312 + ... + 35898952.

It is an arithmetic number, because the mean of its divisors is an integer number (425809710).

Almost surely, 2^23011023112 is an apocalyptic number.

23011023112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23011023112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27251821440).

23011023112 is an abundant number, since it is smaller than the sum of its proper divisors (31492619768).

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

23011023112 is a wasteful number, since it uses less digits than its factorization.

23011023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23011023112 its reverse (21132011032), we get a palindrome (44143034144).

The spelling of 23011023112 in words is "twenty-three billion, eleven million, twenty-three thousand, one hundred twelve".