220223204321123 has 8 divisors (see below), whose sum is σ = 222405091984608. Its totient is φ = 218042158932864.

The previous prime is 220223204321117. The next prime is 220223204321143. The reversal of 220223204321123 is 321123402322022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220223204321123 is a prime.

It is a super-2 number, since 2×220223204321123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220223204321143) 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, 210043286 + ... + 211089147.

It is an arithmetic number, because the mean of its divisors is an integer number (27800636498076).

Almost surely, 2^{220223204321123} is an apocalyptic number.

220223204321123 is a deficient number, since it is larger than the sum of its proper divisors (2181887663485).

220223204321123 is a wasteful number, since it uses less digits than its factorization.

220223204321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421137613.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 220223204321123 its reverse (321123402322022), we get a palindrome (541346606643145).

The spelling of 220223204321123 in words is "two hundred twenty trillion, two hundred twenty-three billion, two hundred four million, three hundred twenty-one thousand, one hundred twenty-three".