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123442441 is a prime number
BaseRepresentation
bin1110101101110…
…01010100001001
322121021112012021
413112321110021
5223100124231
620125444441
73026146333
oct726712411
9277245167
10123442441
1163753151
1235410721
131c760a85
1412574453
15ac85811
hex75b9509

123442441 has 2 divisors, whose sum is σ = 123442442. Its totient is φ = 123442440.

The previous prime is 123442433. The next prime is 123442447. The reversal of 123442441 is 144244321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111746041 + 11696400 = 10571^2 + 3420^2 .

It is a cyclic number.

It is not a de Polignac number, because 123442441 - 23 = 123442433 is a prime.

It is not a weakly prime, because it can be changed into another prime (123442447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61721220 + 61721221.

It is an arithmetic number, because the mean of its divisors is an integer number (61721221).

Almost surely, 2123442441 is an apocalyptic number.

It is an amenable number.

123442441 is a deficient number, since it is larger than the sum of its proper divisors (1).

123442441 is an equidigital number, since it uses as much as digits as its factorization.

123442441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 25.

The square root of 123442441 is about 11110.4653817921. The cubic root of 123442441 is about 497.9145687121.

Adding to 123442441 its reverse (144244321), we get a palindrome (267686762).

The spelling of 123442441 in words is "one hundred twenty-three million, four hundred forty-two thousand, four hundred forty-one".