23205401 has 8 divisors (see below), whose sum is σ = 23912640. Its totient is φ = 22502448.

The previous prime is 23205397. The next prime is 23205419. The reversal of 23205401 is 10450232.

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

It is a cyclic number.

It is not a de Polignac number, because 23205401 - 2² = 23205397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23205401.

It is not an unprimeable number, because it can be changed into a prime (23205421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12410 + ... + 14156.

It is an arithmetic number, because the mean of its divisors is an integer number (2989080).

Almost surely, 2^23205401 is an apocalyptic number.

It is an amenable number.

23205401 is a deficient number, since it is larger than the sum of its proper divisors (707239).

23205401 is a wasteful number, since it uses less digits than its factorization.

23205401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 23205401 is about 4817.1984596859. The cubic root of 23205401 is about 285.2307600648.

Adding to 23205401 its reverse (10450232), we get a palindrome (33655633).

The spelling of 23205401 in words is "twenty-three million, two hundred five thousand, four hundred one".