123012203023422 has 32 divisors (see below), whose sum is σ = 273360837050400. Its totient is φ = 41004009791424.

The previous prime is 123012203023331. The next prime is 123012203023429. The reversal of 123012203023422 is 224320302210321.

123012203023422 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 12 + 2 + 0 + 302 + 342 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012203023429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55812738 + ... + 57974874.

It is an arithmetic number, because the mean of its divisors is an integer number (8542526157825).

Almost surely, 2^{123012203023422} is an apocalyptic number.

123012203023422 is an abundant number, since it is smaller than the sum of its proper divisors (150348634026978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123012203023422 is a wasteful number, since it uses less digits than its factorization.

123012203023422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215737 (or 3215731 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 123012203023422 its reverse (224320302210321), we get a palindrome (347332505233743).

The spelling of 123012203023422 in words is "one hundred twenty-three trillion, twelve billion, two hundred three million, twenty-three thousand, four hundred twenty-two".