123273005 has 8 divisors (see below), whose sum is σ = 149285400. Its totient is φ = 97713216.

The previous prime is 123272999. The next prime is 123273013. The reversal of 123273005 is 500372321.

It can be written as a sum of positive squares in 4 ways, for example, as 42237001 + 81036004 = 6499^2 + 9002^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123273005 - 2⁸ = 123272749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112550 + ... + 113639.

It is an arithmetic number, because the mean of its divisors is an integer number (18660675).

Almost surely, 2^123273005 is an apocalyptic number.

It is an amenable number.

123273005 is a deficient number, since it is larger than the sum of its proper divisors (26012395).

123273005 is a wasteful number, since it uses less digits than its factorization.

123273005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226303.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 123273005 is about 11102.8377003359. The cubic root of 123273005 is about 497.6866533614.

The spelling of 123273005 in words is "one hundred twenty-three million, two hundred seventy-three thousand, five".