122431403433 has 4 divisors (see below), whose sum is σ = 163241871248. Its totient is φ = 81620935620.

The previous prime is 122431403401. The next prime is 122431403443. The reversal of 122431403433 is 334304134221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122431403433 - 2⁵ = 122431403401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122431403433.

It is not an unprimeable number, because it can be changed into a prime (122431403443) 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, 20405233903 + ... + 20405233908.

It is an arithmetic number, because the mean of its divisors is an integer number (40810467812).

Almost surely, 2^122431403433 is an apocalyptic number.

It is an amenable number.

122431403433 is a deficient number, since it is larger than the sum of its proper divisors (40810467815).

122431403433 is an equidigital number, since it uses as much as digits as its factorization.

122431403433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40810467814.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 122431403433 its reverse (334304134221), we get a palindrome (456735537654).

The spelling of 122431403433 in words is "one hundred twenty-two billion, four hundred thirty-one million, four hundred three thousand, four hundred thirty-three".