123073969 has 2 divisors, whose sum is σ = 123073970. Its totient is φ = 123073968.

The previous prime is 123073949. The next prime is 123073981. The reversal of 123073969 is 969370321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75463969 + 47610000 = 8687^2 + 6900^2 .

It is a cyclic number.

It is not a de Polignac number, because 123073969 - 2¹³ = 123065777 is a prime.

It is a super-2 number, since 2×123073969² = 30294403690825922, which contains 22 as substring.

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

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61536984 + 61536985.

It is an arithmetic number, because the mean of its divisors is an integer number (61536985).

Almost surely, 2^123073969 is an apocalyptic number.

It is an amenable number.

123073969 is a deficient number, since it is larger than the sum of its proper divisors (1).

123073969 is an equidigital number, since it uses as much as digits as its factorization.

123073969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 123073969 is about 11093.8707852580. The cubic root of 123073969 is about 497.4186549156.

The spelling of 123073969 in words is "one hundred twenty-three million, seventy-three thousand, nine hundred sixty-nine".