23961462352128 has 216 divisors, whose sum is σ = 79024298528448. Its totient is φ = 6840240132096.

The previous prime is 23961462352097. The next prime is 23961462352249. The reversal of 23961462352128 is 82125326416932.

23961462352128 is a `hidden beast` number, since 2 + 3 + 9 + 6 + 1 + 4 + 623 + 5 + 2 + 1 + 2 + 8 = 666.

It is a super-2 number, since 2×23961462352128² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18118126 + ... + 19395602.

It is an arithmetic number, because the mean of its divisors is an integer number (365853233928).

Almost surely, 2^{23961462352128} is an apocalyptic number.

23961462352128 is a gapful number since it is divisible by the number (28) 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 23961462352128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39512149264224).

23961462352128 is an abundant number, since it is smaller than the sum of its proper divisors (55062836176320).

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

23961462352128 is a wasteful number, since it uses less digits than its factorization.

23961462352128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278669 (or 1278652 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 23961462352128 in words is "twenty-three trillion, nine hundred sixty-one billion, four hundred sixty-two million, three hundred fifty-two thousand, one hundred twenty-eight".