123310573 has 4 divisors (see below), whose sum is σ = 123368508. Its totient is φ = 123252640.

The previous prime is 123310559. The next prime is 123310601. The reversal of 123310573 is 375013321.

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 122810724 + 499849 = 11082^2 + 707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123310573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123310543) 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, 25648 + ... + 30073.

It is an arithmetic number, because the mean of its divisors is an integer number (30842127).

Almost surely, 2^123310573 is an apocalyptic number.

It is an amenable number.

123310573 is a deficient number, since it is larger than the sum of its proper divisors (57935).

123310573 is an equidigital number, since it uses as much as digits as its factorization.

123310573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57934.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 123310573 is about 11104.5293911989. The cubic root of 123310573 is about 497.7372056381.

Adding to 123310573 its reverse (375013321), we get a palindrome (498323894).

The spelling of 123310573 in words is "one hundred twenty-three million, three hundred ten thousand, five hundred seventy-three".