122340133423 has 4 divisors (see below), whose sum is σ = 122343895768. Its totient is φ = 122336371080.

The previous prime is 122340133417. The next prime is 122340133471. The reversal of 122340133423 is 324331043221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122340133423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122340133391 and 122340133400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122340133403) 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, 1831968 + ... + 1897573.

It is an arithmetic number, because the mean of its divisors is an integer number (30585973942).

Almost surely, 2^122340133423 is an apocalyptic number.

122340133423 is a deficient number, since it is larger than the sum of its proper divisors (3762345).

122340133423 is an equidigital number, since it uses as much as digits as its factorization.

122340133423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3762344.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 122340133423 its reverse (324331043221), we get a palindrome (446671176644).

The spelling of 122340133423 in words is "one hundred twenty-two billion, three hundred forty million, one hundred thirty-three thousand, four hundred twenty-three".