23040212112 has 120 divisors (see below), whose sum is σ = 66014098488. Its totient is φ = 7499520000.

The previous prime is 23040212101. The next prime is 23040212177. The reversal of 23040212112 is 21121204032.

It is a happy number.

23040212112 is a `hidden beast` number, since 230 + 402 + 1 + 21 + 12 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14914271376 + 8125940736 = 122124^2 + 90144^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1050862 + ... + 1072562.

Almost surely, 2^23040212112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23040212112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33007049244).

23040212112 is an abundant number, since it is smaller than the sum of its proper divisors (42973886376).

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

23040212112 is a wasteful number, since it uses less digits than its factorization.

23040212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21889 (or 21880 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 23040212112 its reverse (21121204032), we get a palindrome (44161416144).

The spelling of 23040212112 in words is "twenty-three billion, forty million, two hundred twelve thousand, one hundred twelve".