23060721272500 has 30 divisors (see below), whose sum is σ = 50429185284170. Its totient is φ = 9224288508000.

The previous prime is 23060721272447. The next prime is 23060721272543. The reversal of 23060721272500 is 527212706032.

It can be written as a sum of positive squares in 5 ways, for example, as 17509504638096 + 5551216634404 = 4184436^2 + 2356102^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23060721272500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4612141755 + ... + 4612146754.

Almost surely, 2^{23060721272500} is an apocalyptic number.

23060721272500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23060721272500 is an abundant number, since it is smaller than the sum of its proper divisors (27368464011670).

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

23060721272500 is an equidigital number, since it uses as much as digits as its factorization.

23060721272500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9224288533 (or 9224288516 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

Adding to 23060721272500 its reverse (527212706032), we get a palindrome (23587933978532).

The spelling of 23060721272500 in words is "twenty-three trillion, sixty billion, seven hundred twenty-one million, two hundred seventy-two thousand, five hundred".