23142110440 has 64 divisors (see below), whose sum is σ = 53190950400. Its totient is φ = 9058935552.

The previous prime is 23142110419. The next prime is 23142110449. The reversal of 23142110440 is 4401124132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23142110449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504294 + ... + 548266.

It is an arithmetic number, because the mean of its divisors is an integer number (831108600).

Almost surely, 2^23142110440 is an apocalyptic number.

23142110440 is a gapful number since it is divisible by the number (20) 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 23142110440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26595475200).

23142110440 is an abundant number, since it is smaller than the sum of its proper divisors (30048839960).

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

23142110440 is a wasteful number, since it uses less digits than its factorization.

23142110440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44266 (or 44262 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 23142110440 its reverse (4401124132), we get a palindrome (27543234572).

The spelling of 23142110440 in words is "twenty-three billion, one hundred forty-two million, one hundred ten thousand, four hundred forty".