23730067641728 has 64 divisors (see below), whose sum is σ = 56871872678400. Its totient is φ = 9634764298752.

The previous prime is 23730067641719. The next prime is 23730067641737. The reversal of 23730067641728 is 82714676003732.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23730067641719) and next prime (23730067641737).

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×23730067641728² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696942200 + ... + 696976247.

It is an arithmetic number, because the mean of its divisors is an integer number (888623010600).

Almost surely, 2^{23730067641728} is an apocalyptic number.

23730067641728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23730067641728 is an abundant number, since it is smaller than the sum of its proper divisors (33141805036672).

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

23730067641728 is a wasteful number, since it uses less digits than its factorization.

23730067641728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393918487 (or 1393918475 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 56.

The spelling of 23730067641728 in words is "twenty-three trillion, seven hundred thirty billion, sixty-seven million, six hundred forty-one thousand, seven hundred twenty-eight".