43426123 has 16 divisors (see below), whose sum is σ = 48454560. Its totient is φ = 38658816.

The previous prime is 43426111. The next prime is 43426127. The reversal of 43426123 is 32162434.

It is a cyclic number.

It is not a de Polignac number, because 43426123 - 2⁵ = 43426091 is a prime.

It is a super-2 number, since 2×43426123² = 3771656317622258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43426127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65568 + ... + 66226.

It is an arithmetic number, because the mean of its divisors is an integer number (3028410).

Almost surely, 2^43426123 is an apocalyptic number.

43426123 is a deficient number, since it is larger than the sum of its proper divisors (5028437).

43426123 is a wasteful number, since it uses less digits than its factorization.

43426123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

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

The square root of 43426123 is about 6589.8499982928. The cubic root of 43426123 is about 351.4932743092.

Adding to 43426123 its reverse (32162434), we get a palindrome (75588557).

The spelling of 43426123 in words is "forty-three million, four hundred twenty-six thousand, one hundred twenty-three".