23314002440 has 128 divisors (see below), whose sum is σ = 57928089600. Its totient is φ = 8405210880.

The previous prime is 23314002431. The next prime is 23314002443. The reversal of 23314002440 is 4420041332.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (23314002443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3335189 + ... + 3342171.

It is an arithmetic number, because the mean of its divisors is an integer number (452563200).

Almost surely, 2^23314002440 is an apocalyptic number.

23314002440 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 23314002440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28964044800).

23314002440 is an abundant number, since it is smaller than the sum of its proper divisors (34614087160).

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

23314002440 is a wasteful number, since it uses less digits than its factorization.

23314002440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7227 (or 7223 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 23314002440 its reverse (4420041332), we get a palindrome (27734043772).

The spelling of 23314002440 in words is "twenty-three billion, three hundred fourteen million, two thousand, four hundred forty".