123365441 has 2 divisors, whose sum is σ = 123365442. Its totient is φ = 123365440.

The previous prime is 123365371. The next prime is 123365479. The reversal of 123365441 is 144563321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109830400 + 13535041 = 10480^2 + 3679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123365441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123365041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61682720 + 61682721.

It is an arithmetic number, because the mean of its divisors is an integer number (61682721).

Almost surely, 2^123365441 is an apocalyptic number.

It is an amenable number.

123365441 is a deficient number, since it is larger than the sum of its proper divisors (1).

123365441 is an equidigital number, since it uses as much as digits as its factorization.

123365441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 123365441 is about 11106.9996398667. Note that the first 3 decimals coincide. The cubic root of 123365441 is about 497.8110187069.

The spelling of 123365441 in words is "one hundred twenty-three million, three hundred sixty-five thousand, four hundred forty-one".