122142010423 has 4 divisors (see below), whose sum is σ = 122339972160. Its totient is φ = 121944048688.

The previous prime is 122142010399. The next prime is 122142010451. The reversal of 122142010423 is 324010241221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324010241221 = 9661 ⋅33537961.

It is a cyclic number.

It is not a de Polignac number, because 122142010423 - 2²⁵ = 122108455991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122142010394 and 122142010403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122142010483) 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 3 ways as a sum of consecutive naturals, for example, 98979943 + ... + 98981176.

It is an arithmetic number, because the mean of its divisors is an integer number (30584993040).

Almost surely, 2^122142010423 is an apocalyptic number.

122142010423 is a deficient number, since it is larger than the sum of its proper divisors (197961737).

122142010423 is an equidigital number, since it uses as much as digits as its factorization.

122142010423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197961736.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 122142010423 its reverse (324010241221), we get a palindrome (446152251644).

The spelling of 122142010423 in words is "one hundred twenty-two billion, one hundred forty-two million, ten thousand, four hundred twenty-three".