123949337 has 2 divisors, whose sum is σ = 123949338. Its totient is φ = 123949336.

The previous prime is 123949307. The next prime is 123949367. The reversal of 123949337 is 733949321.

It is a balanced prime because it is at equal distance from previous prime (123949307) and next prime (123949367).

It can be written as a sum of positive squares in only one way, i.e., 123899161 + 50176 = 11131^2 + 224^2 .

It is a cyclic number.

It is not a de Polignac number, because 123949337 - 2²⁰ = 122900761 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 123949294 and 123949303.

It is not a weakly prime, because it can be changed into another prime (123949307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61974668 + 61974669.

It is an arithmetic number, because the mean of its divisors is an integer number (61974669).

Almost surely, 2^123949337 is an apocalyptic number.

It is an amenable number.

123949337 is a deficient number, since it is larger than the sum of its proper divisors (1).

123949337 is an equidigital number, since it uses as much as digits as its factorization.

123949337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 41.

The square root of 123949337 is about 11133.2536573995. The cubic root of 123949337 is about 498.5951726167.

The spelling of 123949337 in words is "one hundred twenty-three million, nine hundred forty-nine thousand, three hundred thirty-seven".