123654673 has 2 divisors, whose sum is σ = 123654674. Its totient is φ = 123654672.

The previous prime is 123654667. The next prime is 123654689. The reversal of 123654673 is 376456321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95902849 + 27751824 = 9793^2 + 5268^2 .

It is a cyclic number.

It is not a de Polignac number, because 123654673 - 2⁹ = 123654161 is a prime.

It is not a weakly prime, because it can be changed into another prime (123654373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61827336 + 61827337.

It is an arithmetic number, because the mean of its divisors is an integer number (61827337).

Almost surely, 2^123654673 is an apocalyptic number.

It is an amenable number.

123654673 is a deficient number, since it is larger than the sum of its proper divisors (1).

123654673 is an equidigital number, since it uses as much as digits as its factorization.

123654673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 123654673 is about 11120.0122751731. The cubic root of 123654673 is about 498.1997566939.

The spelling of 123654673 in words is "one hundred twenty-three million, six hundred fifty-four thousand, six hundred seventy-three".