2220123520543 has 8 divisors (see below), whose sum is σ = 2318143801680. Its totient is φ = 2123534192640.

The previous prime is 2220123520523. The next prime is 2220123520687. The reversal of 2220123520543 is 3450253210222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220123520543 - 2²¹ = 2220121423391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220123520523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357735138 + ... + 357741343.

It is an arithmetic number, because the mean of its divisors is an integer number (289767975210).

Almost surely, 2^{2220123520543} is an apocalyptic number.

2220123520543 is a deficient number, since it is larger than the sum of its proper divisors (98020281137).

2220123520543 is a wasteful number, since it uses less digits than its factorization.

2220123520543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715476617.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 2220123520543 its reverse (3450253210222), we get a palindrome (5670376730765).

The spelling of 2220123520543 in words is "two trillion, two hundred twenty billion, one hundred twenty-three million, five hundred twenty thousand, five hundred forty-three".