123097723 has 4 divisors (see below), whose sum is σ = 140683120. Its totient is φ = 105512328.

The previous prime is 123097717. The next prime is 123097727. The reversal of 123097723 is 327790321.

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

It is a cyclic number.

It is not a de Polignac number, because 123097723 - 2²¹ = 121000571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123097727) 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, 8792688 + ... + 8792701.

It is an arithmetic number, because the mean of its divisors is an integer number (35170780).

Almost surely, 2^123097723 is an apocalyptic number.

123097723 is a deficient number, since it is larger than the sum of its proper divisors (17585397).

123097723 is an equidigital number, since it uses as much as digits as its factorization.

123097723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17585396.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 123097723 is about 11094.9413247660. The cubic root of 123097723 is about 497.4506544325.

The spelling of 123097723 in words is "one hundred twenty-three million, ninety-seven thousand, seven hundred twenty-three".