122433220153 has 4 divisors (see below), whose sum is σ = 122473537060. Its totient is φ = 122392903248.

The previous prime is 122433220111. The next prime is 122433220171. The reversal of 122433220153 is 351022334221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 351022334221 = 13 ⋅27001718017.

It can be written as a sum of positive squares in 2 ways, for example, as 39841357609 + 82591862544 = 199603^2 + 287388^2 .

It is a cyclic number.

It is not a de Polignac number, because 122433220153 - 2⁹ = 122433219641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122433220183) 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, 20153898 + ... + 20159971.

It is an arithmetic number, because the mean of its divisors is an integer number (30618384265).

Almost surely, 2^122433220153 is an apocalyptic number.

It is an amenable number.

122433220153 is a deficient number, since it is larger than the sum of its proper divisors (40316907).

122433220153 is an equidigital number, since it uses as much as digits as its factorization.

122433220153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40316906.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 122433220153 its reverse (351022334221), we get a palindrome (473455554374).

The spelling of 122433220153 in words is "one hundred twenty-two billion, four hundred thirty-three million, two hundred twenty thousand, one hundred fifty-three".