123704873 has 4 divisors (see below), whose sum is σ = 123976020. Its totient is φ = 123433728.

The previous prime is 123704843. The next prime is 123704897. The reversal of 123704873 is 378407321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117765904 + 5938969 = 10852^2 + 2437^2 .

It is a cyclic number.

It is not a de Polignac number, because 123704873 - 2⁸ = 123704617 is a prime.

It is a super-2 number, since 2×123704873² = 30605791207892258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123704813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134888 + ... + 135801.

It is an arithmetic number, because the mean of its divisors is an integer number (30994005).

Almost surely, 2^123704873 is an apocalyptic number.

It is an amenable number.

123704873 is a deficient number, since it is larger than the sum of its proper divisors (271147).

123704873 is an equidigital number, since it uses as much as digits as its factorization.

123704873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271146.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 123704873 is about 11122.2692378849. The cubic root of 123704873 is about 498.2671655069.

The spelling of 123704873 in words is "one hundred twenty-three million, seven hundred four thousand, eight hundred seventy-three".