23240254940 has 96 divisors (see below), whose sum is σ = 59721701760. Its totient is φ = 7415046144.

The previous prime is 23240254931. The next prime is 23240254979. The reversal of 23240254940 is 4945204232.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 23240254940.

It is a congruent number.

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, 156962 + ... + 266678.

It is an arithmetic number, because the mean of its divisors is an integer number (622101060).

Almost surely, 2^23240254940 is an apocalyptic number.

23240254940 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 23240254940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29860850880).

23240254940 is an abundant number, since it is smaller than the sum of its proper divisors (36481446820).

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

23240254940 is a wasteful number, since it uses less digits than its factorization.

23240254940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109839 (or 109837 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 23240254940 in words is "twenty-three billion, two hundred forty million, two hundred fifty-four thousand, nine hundred forty".