23043344443220 has 24 divisors (see below), whose sum is σ = 49698888827784. Its totient is φ = 8968220539776.

The previous prime is 23043344443169. The next prime is 23043344443283. The reversal of 23043344443220 is 2234444334032.

It can be written as a sum of positive squares in 4 ways, for example, as 9160283347216 + 13883061096004 = 3026596^2 + 3725998^2 .

It is a congruent number.

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, 15569826587 + ... + 15569828066.

It is an arithmetic number, because the mean of its divisors is an integer number (2070787034491).

Almost surely, 2^{23043344443220} is an apocalyptic number.

23043344443220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23043344443220 is an abundant number, since it is smaller than the sum of its proper divisors (26655544384564).

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

23043344443220 is a wasteful number, since it uses less digits than its factorization.

23043344443220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31139654699 (or 31139654697 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 38.

Adding to 23043344443220 its reverse (2234444334032), we get a palindrome (25277788777252).

The spelling of 23043344443220 in words is "twenty-three trillion, forty-three billion, three hundred forty-four million, four hundred forty-three thousand, two hundred twenty".