123073949 has 2 divisors, whose sum is σ = 123073950. Its totient is φ = 123073948.

The previous prime is 123073927. The next prime is 123073969. The reversal of 123073949 is 949370321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122988100 + 85849 = 11090^2 + 293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123073949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123073919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61536974 + 61536975.

It is an arithmetic number, because the mean of its divisors is an integer number (61536975).

Almost surely, 2^123073949 is an apocalyptic number.

It is an amenable number.

123073949 is a deficient number, since it is larger than the sum of its proper divisors (1).

123073949 is an equidigital number, since it uses as much as digits as its factorization.

123073949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 123073949 is about 11093.8698838593. The cubic root of 123073949 is about 497.4186279715.

The spelling of 123073949 in words is "one hundred twenty-three million, seventy-three thousand, nine hundred forty-nine".