230120111123 has 4 divisors (see below), whose sum is σ = 262994412720. Its totient is φ = 197245809528.

The previous prime is 230120111099. The next prime is 230120111161. The reversal of 230120111123 is 321111021032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230120111123 - 2²⁴ = 230103333907 is a prime.

It is a super-2 number, since 2×230120111123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230120111323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16437150788 + ... + 16437150801.

It is an arithmetic number, because the mean of its divisors is an integer number (65748603180).

Almost surely, 2^230120111123 is an apocalyptic number.

230120111123 is a deficient number, since it is larger than the sum of its proper divisors (32874301597).

230120111123 is an equidigital number, since it uses as much as digits as its factorization.

230120111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32874301596.

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

Adding to 230120111123 its reverse (321111021032), we get a palindrome (551231132155).

Subtracting 230120111123 from its reverse (321111021032), we obtain a palindrome (90990909909).

The spelling of 230120111123 in words is "two hundred thirty billion, one hundred twenty million, one hundred eleven thousand, one hundred twenty-three".