23406018 has 32 divisors (see below), whose sum is σ = 48223296. Its totient is φ = 7569408.

The previous prime is 23406017. The next prime is 23406037. The reversal of 23406018 is 81060432.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23406013) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 66130 + ... + 66482.

It is an arithmetic number, because the mean of its divisors is an integer number (1506978).

Almost surely, 2^23406018 is an apocalyptic number.

23406018 is an abundant number, since it is smaller than the sum of its proper divisors (24817278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23406018 is a wasteful number, since it uses less digits than its factorization.

23406018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 23406018 is about 4837.9766431846. The cubic root of 23406018 is about 286.0503684905.

The spelling of 23406018 in words is "twenty-three million, four hundred six thousand, eighteen".