23899206240 has 1152 divisors, whose sum is σ = 109633305600. Its totient is φ = 4598415360.

The previous prime is 23899206187. The next prime is 23899206283. The reversal of 23899206240 is 4260299832.

23899206240 is a `hidden beast` number, since 2 + 389 + 9 + 20 + 6 + 240 = 666.

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

It is a congruent number.

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, 72202875 + ... + 72203205.

It is an arithmetic number, because the mean of its divisors is an integer number (95167800).

Almost surely, 2^23899206240 is an apocalyptic number.

23899206240 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 23899206240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54816652800).

23899206240 is an abundant number, since it is smaller than the sum of its proper divisors (85734099360).

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

23899206240 is a wasteful number, since it uses less digits than its factorization.

23899206240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 23899206240 in words is "twenty-three billion, eight hundred ninety-nine million, two hundred six thousand, two hundred forty".