23621456412 has 384 divisors, whose sum is σ = 72576000000. Its totient is φ = 6588324864.

The previous prime is 23621456407. The next prime is 23621456423. The reversal of 23621456412 is 21465412632.

23621456412 is a `hidden beast` number, since 2 + 3 + 6 + 2 + 1 + 4 + 5 + 641 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 47337339 + ... + 47337837.

It is an arithmetic number, because the mean of its divisors is an integer number (189000000).

Almost surely, 2^23621456412 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 23621456412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36288000000).

23621456412 is an abundant number, since it is smaller than the sum of its proper divisors (48954543588).

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

23621456412 is a wasteful number, since it uses less digits than its factorization.

23621456412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 622 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The spelling of 23621456412 in words is "twenty-three billion, six hundred twenty-one million, four hundred fifty-six thousand, four hundred twelve".