123320232123 has 32 divisors (see below), whose sum is σ = 180172726272. Its totient is φ = 74407476000.

The previous prime is 123320232109. The next prime is 123320232137. The reversal of 123320232123 is 321232023321.

It is an interprime number because it is at equal distance from previous prime (123320232109) and next prime (123320232137).

It is not a de Polignac number, because 123320232123 - 2¹⁶ = 123320166587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123320232093 and 123320232102.

It is not an unprimeable number, because it can be changed into a prime (123320232173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17241598 + ... + 17248748.

It is an arithmetic number, because the mean of its divisors is an integer number (5630397696).

Almost surely, 2^123320232123 is an apocalyptic number.

123320232123 is a deficient number, since it is larger than the sum of its proper divisors (56852494149).

123320232123 is a wasteful number, since it uses less digits than its factorization.

123320232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9415.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 123320232123 its reverse (321232023321), we get a palindrome (444552255444).

The spelling of 123320232123 in words is "one hundred twenty-three billion, three hundred twenty million, two hundred thirty-two thousand, one hundred twenty-three".