23304136061556 has 288 divisors, whose sum is σ = 73551649167360. Its totient is φ = 6302685976704.

The previous prime is 23304136061533. The next prime is 23304136061627. The reversal of 23304136061556 is 65516063140332.

23304136061556 is a `hidden beast` number, since 2 + 3 + 3 + 0 + 4 + 1 + 36 + 0 + 61 + 556 = 666.

It is a super-2 number, since 2×23304136061556² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 158030850 + ... + 158178246.

It is an arithmetic number, because the mean of its divisors is an integer number (255387670720).

Almost surely, 2^{23304136061556} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23304136061556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36775824583680).

23304136061556 is an abundant number, since it is smaller than the sum of its proper divisors (50247513105804).

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

23304136061556 is a wasteful number, since it uses less digits than its factorization.

23304136061556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148665 (or 148651 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 23304136061556 in words is "twenty-three trillion, three hundred four billion, one hundred thirty-six million, sixty-one thousand, five hundred fifty-six".