23272637191680 has 320 divisors, whose sum is σ = 76066448578560. Its totient is φ = 6067297419264.

The previous prime is 23272637191667. The next prime is 23272637191697. The reversal of 23272637191680 is 8619173627232.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×23272637191680² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23272637191680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331687162 + ... + 331757318.

It is an arithmetic number, because the mean of its divisors is an integer number (237707651808).

Almost surely, 2^{23272637191680} is an apocalyptic number.

23272637191680 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 23272637191680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38033224289280).

23272637191680 is an abundant number, since it is smaller than the sum of its proper divisors (52793811386880).

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

23272637191680 is an equidigital number, since it uses as much as digits as its factorization.

23272637191680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71149 (or 71133 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 23272637191680 in words is "twenty-three trillion, two hundred seventy-two billion, six hundred thirty-seven million, one hundred ninety-one thousand, six hundred eighty".