123201113023 has 4 divisors (see below), whose sum is σ = 123417635760. Its totient is φ = 122984590288.

The previous prime is 123201113017. The next prime is 123201113029. The reversal of 123201113023 is 320311102321.

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

It is an interprime number because it is at equal distance from previous prime (123201113017) and next prime (123201113029).

It is a cyclic number.

It is not a de Polignac number, because 123201113023 - 2²¹ = 123199015871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123201113029) 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, 108260515 + ... + 108261652.

It is an arithmetic number, because the mean of its divisors is an integer number (30854408940).

Almost surely, 2^123201113023 is an apocalyptic number.

123201113023 is a deficient number, since it is larger than the sum of its proper divisors (216522737).

123201113023 is an equidigital number, since it uses as much as digits as its factorization.

123201113023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216522736.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123201113023 its reverse (320311102321), we get a palindrome (443512215344).

The spelling of 123201113023 in words is "one hundred twenty-three billion, two hundred one million, one hundred thirteen thousand, twenty-three".