23020406 has 8 divisors (see below), whose sum is σ = 34551360. Its totient is φ = 11503288.

The previous prime is 23020357. The next prime is 23020411. The reversal of 23020406 is 60402032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3515 + ... + 7641.

It is an arithmetic number, because the mean of its divisors is an integer number (4318920).

Almost surely, 2^23020406 is an apocalyptic number.

23020406 is a deficient number, since it is larger than the sum of its proper divisors (11530954).

23020406 is a wasteful number, since it uses less digits than its factorization.

23020406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6918.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23020406 is about 4797.9585242059. The cubic root of 23020406 is about 284.4707773993.

Adding to 23020406 its reverse (60402032), we get a palindrome (83422438).

The spelling of 23020406 in words is "twenty-three million, twenty thousand, four hundred six".