122634433431 has 40 divisors (see below), whose sum is σ = 183896642160. Its totient is φ = 81443501568.

The previous prime is 122634433423. The next prime is 122634433483. The reversal of 122634433431 is 134334436221.

It is a happy number.

122634433431 is a `hidden beast` number, since 12 + 2 + 634 + 4 + 3 + 3 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 122634433431 - 2³ = 122634433423 is a prime.

It is a super-2 number, since 2×122634433431² (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 (122634413431) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 46119180 + ... + 46121838.

It is an arithmetic number, because the mean of its divisors is an integer number (4597416054).

Almost surely, 2^122634433431 is an apocalyptic number.

122634433431 is a deficient number, since it is larger than the sum of its proper divisors (61262208729).

122634433431 is a wasteful number, since it uses less digits than its factorization.

122634433431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637 (or 4628 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

Adding to 122634433431 its reverse (134334436221), we get a palindrome (256968869652).

The spelling of 122634433431 in words is "one hundred twenty-two billion, six hundred thirty-four million, four hundred thirty-three thousand, four hundred thirty-one".