42364123 has 4 divisors (see below), whose sum is σ = 42378280. Its totient is φ = 42349968.

The previous prime is 42364121. The next prime is 42364139. The reversal of 42364123 is 32146324.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42364123 - 2¹ = 42364121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42364121) 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, 633 + ... + 9226.

It is an arithmetic number, because the mean of its divisors is an integer number (10594570).

Almost surely, 2^42364123 is an apocalyptic number.

42364123 is a deficient number, since it is larger than the sum of its proper divisors (14157).

42364123 is an equidigital number, since it uses as much as digits as its factorization.

42364123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14156.

The product of its digits is 3456, while the sum is 25.

The square root of 42364123 is about 6508.7727721899. The cubic root of 42364123 is about 348.6043002506.

It can be divided in two parts, 423 and 64123, that added together give a palindrome (64546).

The spelling of 42364123 in words is "forty-two million, three hundred sixty-four thousand, one hundred twenty-three".