23508984240 has 960 divisors, whose sum is σ = 100686412800. Its totient is φ = 4935831552.

The previous prime is 23508984223. The next prime is 23508984253. The reversal of 23508984240 is 4248980532.

23508984240 is a `hidden beast` number, since 23 + 508 + 9 + 84 + 2 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 322040844 + ... + 322040916.

It is an arithmetic number, because the mean of its divisors is an integer number (104881680).

Almost surely, 2^23508984240 is an apocalyptic number.

23508984240 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 23508984240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50343206400).

23508984240 is an abundant number, since it is smaller than the sum of its proper divisors (77177428560).

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

23508984240 is a wasteful number, since it uses less digits than its factorization.

23508984240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 23508984240 in words is "twenty-three billion, five hundred eight million, nine hundred eighty-four thousand, two hundred forty".