23481884644 has 27 divisors (see below), whose sum is σ = 43662429993. Its totient is φ = 11047846848.

The previous prime is 23481884639. The next prime is 23481884651. The reversal of 23481884644 is 44648818432.

The square root of 23481884644 is 153238.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18281744100 + 5200140544 = 135210^2 + 72112^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23481884591 and 23481884600.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5207839 + ... + 5212345.

Almost surely, 2^23481884644 is an apocalyptic number.

23481884644 is the 153238-th square number.

It is an amenable number.

23481884644 is a deficient number, since it is larger than the sum of its proper divisors (20180545349).

23481884644 is an frugal number, since it uses more digits than its factorization.

23481884644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9052 (or 4526 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 52.

The spelling of 23481884644 in words is "twenty-three billion, four hundred eighty-one million, eight hundred eighty-four thousand, six hundred forty-four".