122043523 has 4 divisors (see below), whose sum is σ = 139478320. Its totient is φ = 104608728.

The previous prime is 122043521. The next prime is 122043541. The reversal of 122043523 is 325340221.

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

It is not a de Polignac number, because 122043523 - 2¹ = 122043521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122043494 and 122043503.

It is not an unprimeable number, because it can be changed into a prime (122043521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8717388 + ... + 8717401.

It is an arithmetic number, because the mean of its divisors is an integer number (34869580).

Almost surely, 2^122043523 is an apocalyptic number.

122043523 is a deficient number, since it is larger than the sum of its proper divisors (17434797).

122043523 is an equidigital number, since it uses as much as digits as its factorization.

122043523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17434796.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 122043523 is about 11047.3310351415. The cubic root of 122043523 is about 496.0265375044.

Adding to 122043523 its reverse (325340221), we get a palindrome (447383744).

The spelling of 122043523 in words is "one hundred twenty-two million, forty-three thousand, five hundred twenty-three".