1230223123 has 16 divisors (see below), whose sum is σ = 1285920000. Its totient is φ = 1175479200.

The previous prime is 1230223117. The next prime is 1230223129. The reversal of 1230223123 is 3213220321.

It is an interprime number because it is at equal distance from previous prime (1230223117) and next prime (1230223129).

It is a cyclic number.

It is not a de Polignac number, because 1230223123 - 2⁵ = 1230223091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230223123.

It is not an unprimeable number, because it can be changed into a prime (1230223129) 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, 2184840 + ... + 2185402.

It is an arithmetic number, because the mean of its divisors is an integer number (80370000).

Almost surely, 2^1230223123 is an apocalyptic number.

1230223123 is a deficient number, since it is larger than the sum of its proper divisors (55696877).

1230223123 is a wasteful number, since it uses less digits than its factorization.

1230223123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1230223123 is about 35074.5366754858. The cubic root of 1230223123 is about 1071.5060525462.

Adding to 1230223123 its reverse (3213220321), we get a palindrome (4443443444).

The spelling of 1230223123 in words is "one billion, two hundred thirty million, two hundred twenty-three thousand, one hundred twenty-three".