122621107423 has 12 divisors (see below), whose sum is σ = 132923764368. Its totient is φ = 112724162880.

The previous prime is 122621107417. The next prime is 122621107493. The reversal of 122621107423 is 324701126221.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-122621107423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122621107493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1919083 + ... + 1981948.

It is an arithmetic number, because the mean of its divisors is an integer number (11076980364).

Almost surely, 2^122621107423 is an apocalyptic number.

122621107423 is a deficient number, since it is larger than the sum of its proper divisors (10302656945).

122621107423 is an equidigital number, since it uses as much as digits as its factorization.

122621107423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901134 (or 3901091 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 122621107423 in words is "one hundred twenty-two billion, six hundred twenty-one million, one hundred seven thousand, four hundred twenty-three".