23798831955840 has 1152 divisors, whose sum is σ = 91842028536960. Its totient is φ = 5656323686400.

The previous prime is 23798831955839. The next prime is 23798831955923. The reversal of 23798831955840 is 4855913889732.

23798831955840 is a `hidden beast` number, since 2 + 3 + 7 + 9 + 8 + 8 + 31 + 9 + 5 + 584 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a super-2 number, since 2×23798831955840² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4422749950 + ... + 4422755330.

It is an arithmetic number, because the mean of its divisors is an integer number (79723983105).

Almost surely, 2^{23798831955840} is an apocalyptic number.

23798831955840 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 23798831955840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45921014268480).

23798831955840 is an abundant number, since it is smaller than the sum of its proper divisors (68043196581120).

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

23798831955840 is a wasteful number, since it uses less digits than its factorization.

23798831955840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5532 (or 5486 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 72.

The spelling of 23798831955840 in words is "twenty-three trillion, seven hundred ninety-eight billion, eight hundred thirty-one million, nine hundred fifty-five thousand, eight hundred forty".