23024400140 has 24 divisors (see below), whose sum is σ = 55258560672. Its totient is φ = 7894080000.

The previous prime is 23024400067. The next prime is 23024400149. The reversal of 23024400140 is 4100442032.

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

It is not an unprimeable number, because it can be changed into a prime (23024400149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82229861 + ... + 82230140.

It is an arithmetic number, because the mean of its divisors is an integer number (2302440028).

Almost surely, 2^23024400140 is an apocalyptic number.

23024400140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23024400140 is an abundant number, since it is smaller than the sum of its proper divisors (32234160532).

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

23024400140 is a wasteful number, since it uses less digits than its factorization.

23024400140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164460017 (or 164460015 counting only the distinct ones).

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

Adding to 23024400140 its reverse (4100442032), we get a palindrome (27124842172).

The spelling of 23024400140 in words is "twenty-three billion, twenty-four million, four hundred thousand, one hundred forty".