223001111123 has 16 divisors (see below), whose sum is σ = 279155263680. Its totient is φ = 173696603136.

The previous prime is 223001111057. The next prime is 223001111149. The reversal of 223001111123 is 321111100322.

It is not a de Polignac number, because 223001111123 - 2¹² = 223001107027 is a prime.

It is a super-2 number, since 2×223001111123² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223001111173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32306186 + ... + 32313087.

It is an arithmetic number, because the mean of its divisors is an integer number (17447203980).

Almost surely, 2^223001111123 is an apocalyptic number.

223001111123 is a deficient number, since it is larger than the sum of its proper divisors (56154152557).

223001111123 is a wasteful number, since it uses less digits than its factorization.

223001111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64619326.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 223001111123 its reverse (321111100322), we get a palindrome (544112211445).

The spelling of 223001111123 in words is "two hundred twenty-three billion, one million, one hundred eleven thousand, one hundred twenty-three".