23451751680 has 576 divisors, whose sum is σ = 92115394560. Its totient is φ = 4965138432.

The previous prime is 23451751669. The next prime is 23451751681. The reversal of 23451751680 is 8615715432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23451751681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24003352 + ... + 24004328.

It is an arithmetic number, because the mean of its divisors is an integer number (159922560).

Almost surely, 2^23451751680 is an apocalyptic number.

23451751680 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 23451751680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46057697280).

23451751680 is an abundant number, since it is smaller than the sum of its proper divisors (68663642880).

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

23451751680 is a wasteful number, since it uses less digits than its factorization.

23451751680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 23451751680 in words is "twenty-three billion, four hundred fifty-one million, seven hundred fifty-one thousand, six hundred eighty".