123364243 has 4 divisors (see below), whose sum is σ = 123403000. Its totient is φ = 123325488.

The previous prime is 123364229. The next prime is 123364261. The reversal of 123364243 is 342463321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342463321 = 3881 ⋅88241.

It is a cyclic number.

It is not a de Polignac number, because 123364243 - 2⁵ = 123364211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123364273) 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, 14130 + ... + 21127.

It is an arithmetic number, because the mean of its divisors is an integer number (30850750).

Almost surely, 2^123364243 is an apocalyptic number.

123364243 is a deficient number, since it is larger than the sum of its proper divisors (38757).

123364243 is an equidigital number, since it uses as much as digits as its factorization.

123364243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38756.

The product of its digits is 10368, while the sum is 28.

The square root of 123364243 is about 11106.9457097800. The cubic root of 123364243 is about 497.8094072898.

The spelling of 123364243 in words is "one hundred twenty-three million, three hundred sixty-four thousand, two hundred forty-three".