23390648886544 has 135 divisors (see below), whose sum is σ = 47405581960269. Its totient is φ = 11180181411840.

The previous prime is 23390648886541. The next prime is 23390648886547. The reversal of 23390648886544 is 44568884609332.

It is a happy number.

The square root of 23390648886544 is 4836388.

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

It is an interprime number because it is at equal distance from previous prime (23390648886541) and next prime (23390648886547).

It can be written as a sum of positive squares in 13 ways, for example, as 6538339600 + 23384110546944 = 80860^2 + 4835712^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23390648886541) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 97056634264 + ... + 97056634504.

Almost surely, 2^{23390648886544} is an apocalyptic number.

23390648886544 is the 4836388-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23390648886544

23390648886544 is an abundant number, since it is smaller than the sum of its proper divisors (24014933073725).

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

23390648886544 is an frugal number, since it uses more digits than its factorization.

23390648886544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 955514880, while the sum is 70.

The spelling of 23390648886544 in words is "twenty-three trillion, three hundred ninety billion, six hundred forty-eight million, eight hundred eighty-six thousand, five hundred forty-four".