123955873473269 has 2 divisors, whose sum is σ = 123955873473270. Its totient is φ = 123955873473268.

The previous prime is 123955873473227. The next prime is 123955873473349. The reversal of 123955873473269 is 962374378559321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109032231422500 + 14923642050769 = 10441850^2 + 3863113^2 .

It is a cyclic number.

It is not a de Polignac number, because 123955873473269 - 2¹⁶ = 123955873407733 is a prime.

It is a super-2 number, since 2×123955873473269² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123955873473196 and 123955873473205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123955873473769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61977936736634 + 61977936736635.

It is an arithmetic number, because the mean of its divisors is an integer number (61977936736635).

Almost surely, 2^{123955873473269} is an apocalyptic number.

It is an amenable number.

123955873473269 is a deficient number, since it is larger than the sum of its proper divisors (1).

123955873473269 is an equidigital number, since it uses as much as digits as its factorization.

123955873473269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2057529600, while the sum is 74.

The spelling of 123955873473269 in words is "one hundred twenty-three trillion, nine hundred fifty-five billion, eight hundred seventy-three million, four hundred seventy-three thousand, two hundred sixty-nine".