123087675349 has 2 divisors, whose sum is σ = 123087675350. Its totient is φ = 123087675348.

The previous prime is 123087675341. The next prime is 123087675377. The reversal of 123087675349 is 943576780321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107197308100 + 15890367249 = 327410^2 + 126057^2 .

It is a cyclic number.

It is not a de Polignac number, because 123087675349 - 2³ = 123087675341 is a prime.

It is a super-3 number, since 3×123087675349³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123087675349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123087675341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61543837674 + 61543837675.

It is an arithmetic number, because the mean of its divisors is an integer number (61543837675).

It is a 2-persistent number, because it is pandigital, and so is 2⋅123087675349 = 246175350698, but 3⋅123087675349 = 369263026047 is not.

Almost surely, 2^123087675349 is an apocalyptic number.

It is an amenable number.

123087675349 is a deficient number, since it is larger than the sum of its proper divisors (1).

123087675349 is an equidigital number, since it uses as much as digits as its factorization.

123087675349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 123087675349 in words is "one hundred twenty-three billion, eighty-seven million, six hundred seventy-five thousand, three hundred forty-nine".