123047369 has 2 divisors, whose sum is σ = 123047370. Its totient is φ = 123047368.

The previous prime is 123047321. The next prime is 123047399. The reversal of 123047369 is 963740321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62410000 + 60637369 = 7900^2 + 7787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123047369 is a prime.

It is a super-2 number, since 2×123047369² = 30281310035644322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123047399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61523684 + 61523685.

It is an arithmetic number, because the mean of its divisors is an integer number (61523685).

Almost surely, 2^123047369 is an apocalyptic number.

It is an amenable number.

123047369 is a deficient number, since it is larger than the sum of its proper divisors (1).

123047369 is an equidigital number, since it uses as much as digits as its factorization.

123047369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 123047369 is about 11092.6718602869. The cubic root of 123047369 is about 497.3828166045.

The spelling of 123047369 in words is "one hundred twenty-three million, forty-seven thousand, three hundred sixty-nine".