123944377 has 2 divisors, whose sum is σ = 123944378. Its totient is φ = 123944376.

The previous prime is 123944371. The next prime is 123944383. The reversal of 123944377 is 773449321.

It is a balanced prime because it is at equal distance from previous prime (123944371) and next prime (123944383).

It can be written as a sum of positive squares in only one way, i.e., 95043001 + 28901376 = 9749^2 + 5376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123944377 is a prime.

It is not a weakly prime, because it can be changed into another prime (123944371) 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, 61972188 + 61972189.

It is an arithmetic number, because the mean of its divisors is an integer number (61972189).

Almost surely, 2^123944377 is an apocalyptic number.

It is an amenable number.

123944377 is a deficient number, since it is larger than the sum of its proper divisors (1).

123944377 is an equidigital number, since it uses as much as digits as its factorization.

123944377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 40.

The square root of 123944377 is about 11133.0308990858. The cubic root of 123944377 is about 498.5885218751.

The spelling of 123944377 in words is "one hundred twenty-three million, nine hundred forty-four thousand, three hundred seventy-seven".