123104447 has 2 divisors, whose sum is σ = 123104448. Its totient is φ = 123104446.

The previous prime is 123104431. The next prime is 123104453. The reversal of 123104447 is 744401321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123104447 - 2⁴ = 123104431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123104407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61552223 + 61552224.

It is an arithmetic number, because the mean of its divisors is an integer number (61552224).

Almost surely, 2^123104447 is an apocalyptic number.

123104447 is a deficient number, since it is larger than the sum of its proper divisors (1).

123104447 is an equidigital number, since it uses as much as digits as its factorization.

123104447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 123104447 is about 11095.2443416087. The cubic root of 123104447 is about 497.4597117278.

Adding to 123104447 its reverse (744401321), we get a palindrome (867505768).

The spelling of 123104447 in words is "one hundred twenty-three million, one hundred four thousand, four hundred forty-seven".