43342423 has 4 divisors (see below), whose sum is σ = 43381168. Its totient is φ = 43303680.

The previous prime is 43342417. The next prime is 43342457. The reversal of 43342423 is 32424334.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43342423 - 2¹⁷ = 43211351 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 (43342483) 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, 17643 + ... + 19948.

It is an arithmetic number, because the mean of its divisors is an integer number (10845292).

Almost surely, 2^43342423 is an apocalyptic number.

43342423 is a deficient number, since it is larger than the sum of its proper divisors (38745).

43342423 is a wasteful number, since it uses less digits than its factorization.

43342423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38744.

The product of its digits is 6912, while the sum is 25.

The square root of 43342423 is about 6583.4962595873. The cubic root of 43342423 is about 351.2673050326.

Adding to 43342423 its reverse (32424334), we get a palindrome (75766757).

The spelling of 43342423 in words is "forty-three million, three hundred forty-two thousand, four hundred twenty-three".