23022142040 has 16 divisors (see below), whose sum is σ = 51799819680. Its totient is φ = 9208856800.

The previous prime is 23022142021. The next prime is 23022142049. The reversal of 23022142040 is 4024122032.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022142049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287776736 + ... + 287776815.

It is an arithmetic number, because the mean of its divisors is an integer number (3237488730).

Almost surely, 2^23022142040 is an apocalyptic number.

23022142040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23022142040 is an abundant number, since it is smaller than the sum of its proper divisors (28777677640).

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

23022142040 is a wasteful number, since it uses less digits than its factorization.

23022142040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575553562 (or 575553558 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 23022142040 its reverse (4024122032), we get a palindrome (27046264072).

The spelling of 23022142040 in words is "twenty-three billion, twenty-two million, one hundred forty-two thousand, forty".