23554401 has 16 divisors (see below), whose sum is σ = 35812224. Its totient is φ = 13641984.

The previous prime is 23554397. The next prime is 23554417. The reversal of 23554401 is 10445532.

It is not a de Polignac number, because 23554401 - 2² = 23554397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23554441) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 17101 + ... + 18426.

It is an arithmetic number, because the mean of its divisors is an integer number (2238264).

Almost surely, 2^23554401 is an apocalyptic number.

It is an amenable number.

23554401 is a deficient number, since it is larger than the sum of its proper divisors (12257823).

23554401 is a wasteful number, since it uses less digits than its factorization.

23554401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35560.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 23554401 is about 4853.2876485945. The cubic root of 23554401 is about 286.6535699503.

Adding to 23554401 its reverse (10445532), we get a palindrome (33999933).

The spelling of 23554401 in words is "twenty-three million, five hundred fifty-four thousand, four hundred one".