23605406 has 24 divisors (see below), whose sum is σ = 40621392. Its totient is φ = 10260800.

The previous prime is 23605399. The next prime is 23605423. The reversal of 23605406 is 60450632.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 3446 + ... + 7686.

It is an arithmetic number, because the mean of its divisors is an integer number (1692558).

Almost surely, 2^23605406 is an apocalyptic number.

23605406 is a deficient number, since it is larger than the sum of its proper divisors (17015986).

23605406 is a wasteful number, since it uses less digits than its factorization.

23605406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288 (or 4277 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 23605406 is about 4858.5394924813. The cubic root of 23605406 is about 286.8603285469.

The spelling of 23605406 in words is "twenty-three million, six hundred five thousand, four hundred six".