23124044440 has 64 divisors (see below), whose sum is σ = 59721652800. Its totient is φ = 7893600768.

The previous prime is 23124044381. The next prime is 23124044441. The reversal of 23124044440 is 4444042132.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 23124044399 and 23124044408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23124044441) 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, 116199 + ... + 244438.

It is an arithmetic number, because the mean of its divisors is an integer number (933150825).

Almost surely, 2^23124044440 is an apocalyptic number.

23124044440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23124044440 is an abundant number, since it is smaller than the sum of its proper divisors (36597608360).

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

23124044440 is a wasteful number, since it uses less digits than its factorization.

23124044440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360884 (or 360880 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 23124044440 its reverse (4444042132), we get a palindrome (27568086572).

The spelling of 23124044440 in words is "twenty-three billion, one hundred twenty-four million, forty-four thousand, four hundred forty".