123123301023 has 32 divisors (see below), whose sum is σ = 181414950912. Its totient is φ = 73880153600.

The previous prime is 123123301019. The next prime is 123123301033. The reversal of 123123301023 is 320103321321.

It is a cyclic number.

It is not a de Polignac number, because 123123301023 - 2² = 123123301019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123123301033) 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, 9507733 + ... + 9520673.

It is an arithmetic number, because the mean of its divisors is an integer number (5669217216).

Almost surely, 2^123123301023 is an apocalyptic number.

123123301023 is a deficient number, since it is larger than the sum of its proper divisors (58291649889).

123123301023 is a wasteful number, since it uses less digits than its factorization.

123123301023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21095.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123123301023 its reverse (320103321321), we get a palindrome (443226622344).

The spelling of 123123301023 in words is "one hundred twenty-three billion, one hundred twenty-three million, three hundred one thousand, twenty-three".