122552646253523 has 4 divisors (see below), whose sum is σ = 126778599572640. Its totient is φ = 118326692934408.

The previous prime is 122552646253493. The next prime is 122552646253561. The reversal of 122552646253523 is 325352646255221.

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

It is a cyclic number.

It is not a de Polignac number, because 122552646253523 - 2⁸ = 122552646253267 is a prime.

It is a super-2 number, since 2×122552646253523² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122552646252523) 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, 2112976659515 + ... + 2112976659572.

It is an arithmetic number, because the mean of its divisors is an integer number (31694649893160).

Almost surely, 2^{122552646253523} is an apocalyptic number.

122552646253523 is a deficient number, since it is larger than the sum of its proper divisors (4225953319117).

122552646253523 is an equidigital number, since it uses as much as digits as its factorization.

122552646253523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225953319116.

The product of its digits is 25920000, while the sum is 53.

The spelling of 122552646253523 in words is "one hundred twenty-two trillion, five hundred fifty-two billion, six hundred forty-six million, two hundred fifty-three thousand, five hundred twenty-three".