123481837 has 2 divisors, whose sum is σ = 123481838. Its totient is φ = 123481836.

The previous prime is 123481823. The next prime is 123481843. The reversal of 123481837 is 738184321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76983076 + 46498761 = 8774^2 + 6819^2 .

It is a cyclic number.

It is not a de Polignac number, because 123481837 - 2¹⁵ = 123449069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123481796 and 123481805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123481807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61740918 + 61740919.

It is an arithmetic number, because the mean of its divisors is an integer number (61740919).

Almost surely, 2^123481837 is an apocalyptic number.

It is an amenable number.

123481837 is a deficient number, since it is larger than the sum of its proper divisors (1).

123481837 is an equidigital number, since it uses as much as digits as its factorization.

123481837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 123481837 is about 11112.2381633944. The cubic root of 123481837 is about 497.9675320090.

The spelling of 123481837 in words is "one hundred twenty-three million, four hundred eighty-one thousand, eight hundred thirty-seven".