122523780409 has 8 divisors (see below), whose sum is σ = 122982707520. Its totient is φ = 122064973296.

The previous prime is 122523780397. The next prime is 122523780413. The reversal of 122523780409 is 904087325221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122523780409 - 2²⁷ = 122389562681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122523780469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2374122 + ... + 2425180.

It is an arithmetic number, because the mean of its divisors is an integer number (15372838440).

Almost surely, 2^122523780409 is an apocalyptic number.

It is an amenable number.

122523780409 is a deficient number, since it is larger than the sum of its proper divisors (458927111).

122523780409 is an equidigital number, since it uses as much as digits as its factorization.

122523780409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59999.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 122523780409 in words is "one hundred twenty-two billion, five hundred twenty-three million, seven hundred eighty thousand, four hundred nine".