23001406 has 4 divisors (see below), whose sum is σ = 34502112. Its totient is φ = 11500702.

The previous prime is 23001401. The next prime is 23001409. The reversal of 23001406 is 60410032.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23001406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5750350 + ... + 5750353.

It is an arithmetic number, because the mean of its divisors is an integer number (8625528).

Almost surely, 2^23001406 is an apocalyptic number.

23001406 is a deficient number, since it is larger than the sum of its proper divisors (11500706).

23001406 is a wasteful number, since it uses less digits than its factorization.

23001406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11500705.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23001406 is about 4795.9781067057. The cubic root of 23001406 is about 284.3924927612.

Adding to 23001406 its reverse (60410032), we get a palindrome (83411438).

The spelling of 23001406 in words is "twenty-three million, one thousand, four hundred six".