123123461 has 2 divisors, whose sum is σ = 123123462. Its totient is φ = 123123460.

The previous prime is 123123397. The next prime is 123123487. The reversal of 123123461 is 164321321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85840225 + 37283236 = 9265^2 + 6106^2 .

It is a cyclic number.

It is not a de Polignac number, because 123123461 - 2⁶ = 123123397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123113461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61561730 + 61561731.

It is an arithmetic number, because the mean of its divisors is an integer number (61561731).

Almost surely, 2^123123461 is an apocalyptic number.

It is an amenable number.

123123461 is a deficient number, since it is larger than the sum of its proper divisors (1).

123123461 is an equidigital number, since it uses as much as digits as its factorization.

123123461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 123123461 is about 11096.1011621200. The cubic root of 123123461 is about 497.4853219915.

Adding to 123123461 its reverse (164321321), we get a palindrome (287444782).

The spelling of 123123461 in words is "one hundred twenty-three million, one hundred twenty-three thousand, four hundred sixty-one".