122302253143 has 4 divisors (see below), whose sum is σ = 139774003600. Its totient is φ = 104830502688.

The previous prime is 122302253123. The next prime is 122302253147. The reversal of 122302253143 is 341352203221.

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: 341352203221 = 177209 ⋅1926269.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122302253143 is a prime.

It is a super-2 number, since 2×122302253143² (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 (122302253147) 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, 8735875218 + ... + 8735875231.

It is an arithmetic number, because the mean of its divisors is an integer number (34943500900).

Almost surely, 2^122302253143 is an apocalyptic number.

122302253143 is a deficient number, since it is larger than the sum of its proper divisors (17471750457).

122302253143 is an equidigital number, since it uses as much as digits as its factorization.

122302253143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17471750456.

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

Adding to 122302253143 its reverse (341352203221), we get a palindrome (463654456364).

The spelling of 122302253143 in words is "one hundred twenty-two billion, three hundred two million, two hundred fifty-three thousand, one hundred forty-three".