123837573 has 16 divisors (see below), whose sum is σ = 175185920. Its totient is φ = 77592816.

The previous prime is 123837563. The next prime is 123837583. The reversal of 123837573 is 375738321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123837563) and next prime (123837583).

It is not a de Polignac number, because 123837573 - 2⁸ = 123837317 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123837523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1315 + ... + 15792.

It is an arithmetic number, because the mean of its divisors is an integer number (10949120).

Almost surely, 2^123837573 is an apocalyptic number.

It is an amenable number.

123837573 is a deficient number, since it is larger than the sum of its proper divisors (51348347).

123837573 is a wasteful number, since it uses less digits than its factorization.

123837573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17256.

The product of its digits is 105840, while the sum is 39.

The square root of 123837573 is about 11128.2331481687. The cubic root of 123837573 is about 498.4452679607.

The spelling of 123837573 in words is "one hundred twenty-three million, eight hundred thirty-seven thousand, five hundred seventy-three".