123173497 has 2 divisors, whose sum is σ = 123173498. Its totient is φ = 123173496.

The previous prime is 123173489. The next prime is 123173507. The reversal of 123173497 is 794371321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123010281 + 163216 = 11091^2 + 404^2 .

It is a cyclic number.

It is not a de Polignac number, because 123173497 - 2³ = 123173489 is a prime.

It is not a weakly prime, because it can be changed into another prime (123173437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61586748 + 61586749.

It is an arithmetic number, because the mean of its divisors is an integer number (61586749).

Almost surely, 2^123173497 is an apocalyptic number.

It is an amenable number.

123173497 is a deficient number, since it is larger than the sum of its proper divisors (1).

123173497 is an equidigital number, since it uses as much as digits as its factorization.

123173497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 37.

The square root of 123173497 is about 11098.3555989164. The cubic root of 123173497 is about 497.5527036915.

The spelling of 123173497 in words is "one hundred twenty-three million, one hundred seventy-three thousand, four hundred ninety-seven".