23057721060556 has 24 divisors (see below), whose sum is σ = 49662783823520. Its totient is φ = 9121735804032.

The previous prime is 23057721060529. The next prime is 23057721060557. The reversal of 23057721060556 is 65506012775032.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23057721060557) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31672693401 + ... + 31672694128.

Almost surely, 2^{23057721060556} is an apocalyptic number.

23057721060556 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23057721060556 is an abundant number, since it is smaller than the sum of its proper divisors (26605062762964).

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

23057721060556 is a wasteful number, since it uses less digits than its factorization.

23057721060556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63345387553 (or 63345387551 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 23057721060556 in words is "twenty-three trillion, fifty-seven billion, seven hundred twenty-one million, sixty thousand, five hundred fifty-six".