123423437 has 8 divisors (see below), whose sum is σ = 125109696. Its totient is φ = 121748832.

The previous prime is 123423413. The next prime is 123423463. The reversal of 123423437 is 734324321.

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 123423437 - 2¹² = 123419341 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 (123423137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19568 + ... + 25094.

It is an arithmetic number, because the mean of its divisors is an integer number (15638712).

Almost surely, 2^123423437 is an apocalyptic number.

It is an amenable number.

123423437 is a deficient number, since it is larger than the sum of its proper divisors (1686259).

123423437 is a wasteful number, since it uses less digits than its factorization.

123423437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827.

The product of its digits is 12096, while the sum is 29.

The square root of 123423437 is about 11109.6101191716. The cubic root of 123423437 is about 497.8890160362.

Adding to 123423437 its reverse (734324321), we get a palindrome (857747758).

The spelling of 123423437 in words is "one hundred twenty-three million, four hundred twenty-three thousand, four hundred thirty-seven".