23434018 has 4 divisors (see below), whose sum is σ = 35151030. Its totient is φ = 11717008.

The previous prime is 23434009. The next prime is 23434043. The reversal of 23434018 is 81043432.

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

It can be written as a sum of positive squares in only one way, i.e., 18429849 + 5004169 = 4293^2 + 2237^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23433983 and 23434001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5858503 + ... + 5858506.

Almost surely, 2^23434018 is an apocalyptic number.

23434018 is a deficient number, since it is larger than the sum of its proper divisors (11717012).

23434018 is a wasteful number, since it uses less digits than its factorization.

23434018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11717011.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 23434018 is about 4840.8695499879. The cubic root of 23434018 is about 286.1643878654.

The spelling of 23434018 in words is "twenty-three million, four hundred thirty-four thousand, eighteen".