23283733289440 has 144 divisors (see below), whose sum is σ = 60178756368528. Its totient is φ = 8508440199168.

The previous prime is 23283733289413. The next prime is 23283733289491. The reversal of 23283733289440 is 4498233738232.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1815702 + ... + 7061461.

It is an arithmetic number, because the mean of its divisors is an integer number (417908030337).

Almost surely, 2^{23283733289440} is an apocalyptic number.

23283733289440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23283733289440 is an abundant number, since it is smaller than the sum of its proper divisors (36895023079088).

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

23283733289440 is a wasteful number, since it uses less digits than its factorization.

23283733289440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8877301 (or 8877280 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 58.

The spelling of 23283733289440 in words is "twenty-three trillion, two hundred eighty-three billion, seven hundred thirty-three million, two hundred eighty-nine thousand, four hundred forty".