23612647240 has 384 divisors, whose sum is σ = 68774832000. Its totient is φ = 7228956672.

The previous prime is 23612647237. The next prime is 23612647259. The reversal of 23612647240 is 4274621632.

It is a self number, because there is not a number n which added to its sum of digits gives 23612647240.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 169875091 + ... + 169875229.

It is an arithmetic number, because the mean of its divisors is an integer number (179101125).

Almost surely, 2^23612647240 is an apocalyptic number.

23612647240 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 23612647240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34387416000).

23612647240 is an abundant number, since it is smaller than the sum of its proper divisors (45162184760).

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

23612647240 is a wasteful number, since it uses less digits than its factorization.

23612647240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 23612647240 in words is "twenty-three billion, six hundred twelve million, six hundred forty-seven thousand, two hundred forty".