23961815548 has 12 divisors (see below), whose sum is σ = 45745284312. Its totient is φ = 10891734320.

The previous prime is 23961815543. The next prime is 23961815557. The reversal of 23961815548 is 84551816932.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23961815495 and 23961815504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23961815543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272293315 + ... + 272293402.

It is an arithmetic number, because the mean of its divisors is an integer number (3812107026).

Almost surely, 2^23961815548 is an apocalyptic number.

It is an amenable number.

23961815548 is a deficient number, since it is larger than the sum of its proper divisors (21783468764).

23961815548 is a wasteful number, since it uses less digits than its factorization.

23961815548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544586732 (or 544586730 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 52.

The spelling of 23961815548 in words is "twenty-three billion, nine hundred sixty-one million, eight hundred fifteen thousand, five hundred forty-eight".