23621063928787 has 32 divisors (see below), whose sum is σ = 25982239631040. Its totient is φ = 21342608179200.

The previous prime is 23621063928779. The next prime is 23621063928793. The reversal of 23621063928787 is 78782936012632.

It is a cyclic number.

It is not a de Polignac number, because 23621063928787 - 2³ = 23621063928779 is a prime.

It is a super-2 number, since 2×23621063928787² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23621063928797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1593104068 + ... + 1593118894.

It is an arithmetic number, because the mean of its divisors is an integer number (811944988470).

Almost surely, 2^{23621063928787} is an apocalyptic number.

23621063928787 is a deficient number, since it is larger than the sum of its proper divisors (2361175702253).

23621063928787 is a wasteful number, since it uses less digits than its factorization.

23621063928787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28663.

The product of its (nonzero) digits is 73156608, while the sum is 64.

The spelling of 23621063928787 in words is "twenty-three trillion, six hundred twenty-one billion, sixty-three million, nine hundred twenty-eight thousand, seven hundred eighty-seven".