23540906 has 4 divisors (see below), whose sum is σ = 35311362. Its totient is φ = 11770452.

The previous prime is 23540899. The next prime is 23540921. The reversal of 23540906 is 60904532.

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., 23435281 + 105625 = 4841^2 + 325^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5885225 + ... + 5885228.

Almost surely, 2^23540906 is an apocalyptic number.

23540906 is a deficient number, since it is larger than the sum of its proper divisors (11770456).

23540906 is a wasteful number, since it uses less digits than its factorization.

23540906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11770455.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 23540906 is about 4851.8971547221. The cubic root of 23540906 is about 286.5988154420.

The spelling of 23540906 in words is "twenty-three million, five hundred forty thousand, nine hundred six".