122432243 has 4 divisors (see below), whose sum is σ = 127755408. Its totient is φ = 117109080.

The previous prime is 122432239. The next prime is 122432251. The reversal of 122432243 is 342234221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342234221 = 7 ⋅48890603.

It is a cyclic number.

It is not a de Polignac number, because 122432243 - 2² = 122432239 is a prime.

It is a super-2 number, since 2×122432243² = 29979308252022098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 5323141 = 122432243 / (1 + 2 + 2 + 4 + 3 + 2 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122432203) 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, 2661548 + ... + 2661593.

It is an arithmetic number, because the mean of its divisors is an integer number (31938852).

Almost surely, 2^122432243 is an apocalyptic number.

122432243 is a deficient number, since it is larger than the sum of its proper divisors (5323165).

122432243 is an equidigital number, since it uses as much as digits as its factorization.

122432243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323164.

The product of its digits is 2304, while the sum is 23.

The square root of 122432243 is about 11064.9104379566. The cubic root of 122432243 is about 496.5526096266.

Adding to 122432243 its reverse (342234221), we get a palindrome (464666464).

The spelling of 122432243 in words is "one hundred twenty-two million, four hundred thirty-two thousand, two hundred forty-three".