122638247343 has 64 divisors (see below), whose sum is σ = 194109696000. Its totient is φ = 76299729408.

The previous prime is 122638247293. The next prime is 122638247351. The reversal of 122638247343 is 343742836221.

122638247343 is a `hidden beast` number, since 1 + 2 + 2 + 63 + 8 + 247 + 343 = 666.

It is not a de Polignac number, because 122638247343 - 2²⁸ = 122369811887 is a prime.

It is a super-2 number, since 2×122638247343² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122638247363) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41304763 + ... + 41307731.

It is an arithmetic number, because the mean of its divisors is an integer number (3032964000).

Almost surely, 2^122638247343 is an apocalyptic number.

122638247343 is a deficient number, since it is larger than the sum of its proper divisors (71471448657).

122638247343 is a wasteful number, since it uses less digits than its factorization.

122638247343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173 (or 4167 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 45.

The spelling of 122638247343 in words is "one hundred twenty-two billion, six hundred thirty-eight million, two hundred forty-seven thousand, three hundred forty-three".