122313151220543 has 4 divisors (see below), whose sum is σ = 122927790171600. Its totient is φ = 121698512269488.

The previous prime is 122313151220527. The next prime is 122313151220569. The reversal of 122313151220543 is 345022151313221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 122313151220543 - 2⁴ = 122313151220527 is a prime.

It is a super-2 number, since 2×122313151220543² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122313151220503) 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, 307319475230 + ... + 307319475627.

It is an arithmetic number, because the mean of its divisors is an integer number (30731947542900).

Almost surely, 2^{122313151220543} is an apocalyptic number.

122313151220543 is a deficient number, since it is larger than the sum of its proper divisors (614638951057).

122313151220543 is an equidigital number, since it uses as much as digits as its factorization.

122313151220543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614638951056.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 122313151220543 in words is "one hundred twenty-two trillion, three hundred thirteen billion, one hundred fifty-one million, two hundred twenty thousand, five hundred forty-three".