23210444040 has 128 divisors (see below), whose sum is σ = 79608960000. Its totient is φ = 5303225088.

The previous prime is 23210444027. The next prime is 23210444087. The reversal of 23210444040 is 4044401232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23210444040.

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, 4280451 + ... + 4285869.

It is an arithmetic number, because the mean of its divisors is an integer number (621945000).

Almost surely, 2^23210444040 is an apocalyptic number.

23210444040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23210444040 is an abundant number, since it is smaller than the sum of its proper divisors (56398515960).

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

23210444040 is a wasteful number, since it uses less digits than its factorization.

23210444040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10539 (or 10535 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 23210444040 its reverse (4044401232), we get a palindrome (27254845272).

The spelling of 23210444040 in words is "twenty-three billion, two hundred ten million, four hundred forty-four thousand, forty".