23214401440 has 96 divisors (see below), whose sum is σ = 55480360320. Its totient is φ = 9178444800.

The previous prime is 23214401437. The next prime is 23214401447. The reversal of 23214401440 is 4410441232.

It is not an unprimeable number, because it can be changed into a prime (23214401447) 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, 8561685 + ... + 8564395.

It is an arithmetic number, because the mean of its divisors is an integer number (577920420).

Almost surely, 2^23214401440 is an apocalyptic number.

23214401440 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 23214401440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27740180160).

23214401440 is an abundant number, since it is smaller than the sum of its proper divisors (32265958880).

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

23214401440 is a wasteful number, since it uses less digits than its factorization.

23214401440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326 (or 3318 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 23214401440 its reverse (4410441232), we get a palindrome (27624842672).

The spelling of 23214401440 in words is "twenty-three billion, two hundred fourteen million, four hundred one thousand, four hundred forty".