122653343243 has 4 divisors (see below), whose sum is σ = 122654810328. Its totient is φ = 122651876160.

The previous prime is 122653343221. The next prime is 122653343269. The reversal of 122653343243 is 342343356221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342343356221 = 63397 ⋅5399993.

It is a cyclic number.

It is not a de Polignac number, because 122653343243 - 2²⁸ = 122384907787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122653343197 and 122653343206.

It is not an unprimeable number, because it can be changed into a prime (122653343143) 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, 600038 + ... + 778043.

It is an arithmetic number, because the mean of its divisors is an integer number (30663702582).

Almost surely, 2^122653343243 is an apocalyptic number.

122653343243 is a deficient number, since it is larger than the sum of its proper divisors (1467085).

122653343243 is an equidigital number, since it uses as much as digits as its factorization.

122653343243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467084.

The product of its digits is 311040, while the sum is 38.

Adding to 122653343243 its reverse (342343356221), we get a palindrome (464996699464).

The spelling of 122653343243 in words is "one hundred twenty-two billion, six hundred fifty-three million, three hundred forty-three thousand, two hundred forty-three".