23188602864544 has 48 divisors (see below), whose sum is σ = 49182596886528. Its totient is φ = 10698448534272.

The previous prime is 23188602864503. The next prime is 23188602864563. The reversal of 23188602864544 is 44546820688132.

It is a super-2 number, since 2×23188602864544² (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 7 ways as a sum of consecutive naturals, for example, 9254712 + ... + 11490295.

It is an arithmetic number, because the mean of its divisors is an integer number (1024637435136).

Almost surely, 2^{23188602864544} is an apocalyptic number.

It is an amenable number.

23188602864544 is an abundant number, since it is smaller than the sum of its proper divisors (25993994021984).

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

23188602864544 is a wasteful number, since it uses less digits than its factorization.

23188602864544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20747717 (or 20747709 counting only the distinct ones).

The product of its (nonzero) digits is 70778880, while the sum is 61.

The spelling of 23188602864544 in words is "twenty-three trillion, one hundred eighty-eight billion, six hundred two million, eight hundred sixty-four thousand, five hundred forty-four".