43423607 has 12 divisors (see below), whose sum is σ = 47082456. Its totient is φ = 40014000.

The previous prime is 43423603. The next prime is 43423613. The reversal of 43423607 is 70632434.

It is a happy number.

It is not a de Polignac number, because 43423607 - 2² = 43423603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43423607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43423603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11732 + ... + 14982.

It is an arithmetic number, because the mean of its divisors is an integer number (3923538).

Almost surely, 2^43423607 is an apocalyptic number.

43423607 is a deficient number, since it is larger than the sum of its proper divisors (3658849).

43423607 is a wasteful number, since it uses less digits than its factorization.

43423607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326 (or 3307 counting only the distinct ones).

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

The square root of 43423607 is about 6589.6590958865. The cubic root of 43423607 is about 351.4864859669.

The spelling of 43423607 in words is "forty-three million, four hundred twenty-three thousand, six hundred seven".