123606221323 has 4 divisors (see below), whose sum is σ = 133114392208. Its totient is φ = 114098050440.

The previous prime is 123606221279. The next prime is 123606221369. The reversal of 123606221323 is 323122606321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323122606321 = 1823 ⋅177247727.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123606221323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123606221023) 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, 4754085423 + ... + 4754085448.

It is an arithmetic number, because the mean of its divisors is an integer number (33278598052).

Almost surely, 2^123606221323 is an apocalyptic number.

123606221323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123606221323 is a deficient number, since it is larger than the sum of its proper divisors (9508170885).

123606221323 is an equidigital number, since it uses as much as digits as its factorization.

123606221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9508170884.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 123606221323 its reverse (323122606321), we get a palindrome (446728827644).

The spelling of 123606221323 in words is "one hundred twenty-three billion, six hundred six million, two hundred twenty-one thousand, three hundred twenty-three".