23432109 has 4 divisors (see below), whose sum is σ = 31242816. Its totient is φ = 15621404.

The previous prime is 23432107. The next prime is 23432141. The reversal of 23432109 is 90123432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23432109 - 2¹ = 23432107 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23432107) 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, 3905349 + ... + 3905354.

It is an arithmetic number, because the mean of its divisors is an integer number (7810704).

Almost surely, 2^23432109 is an apocalyptic number.

It is an amenable number.

23432109 is a deficient number, since it is larger than the sum of its proper divisors (7810707).

23432109 is an equidigital number, since it uses as much as digits as its factorization.

23432109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7810706.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 23432109 is about 4840.6723706527. The cubic root of 23432109 is about 286.1566170732.

The spelling of 23432109 in words is "twenty-three million, four hundred thirty-two thousand, one hundred nine".