122306523 has 4 divisors (see below), whose sum is σ = 163075368. Its totient is φ = 81537680.

The previous prime is 122306507. The next prime is 122306537. The reversal of 122306523 is 325603221.

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

It is a cyclic number.

It is not a de Polignac number, because 122306523 - 2⁴ = 122306507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122306493 and 122306502.

It is not an unprimeable number, because it can be changed into a prime (122306323) 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, 20384418 + ... + 20384423.

It is an arithmetic number, because the mean of its divisors is an integer number (40768842).

Almost surely, 2^122306523 is an apocalyptic number.

122306523 is a deficient number, since it is larger than the sum of its proper divisors (40768845).

122306523 is an equidigital number, since it uses as much as digits as its factorization.

122306523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40768844.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 122306523 is about 11059.2279567789. The cubic root of 122306523 is about 496.3825891254.

Adding to 122306523 its reverse (325603221), we get a palindrome (447909744).

The spelling of 122306523 in words is "one hundred twenty-two million, three hundred six thousand, five hundred twenty-three".