23281401 has 16 divisors (see below), whose sum is σ = 36469440. Its totient is φ = 13024320.

The previous prime is 23281387. The next prime is 23281439. The reversal of 23281401 is 10418232.

It is not a de Polignac number, because 23281401 - 2⁶ = 23281337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23281471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26706 + ... + 27563.

It is an arithmetic number, because the mean of its divisors is an integer number (2279340).

Almost surely, 2^23281401 is an apocalyptic number.

It is an amenable number.

23281401 is a deficient number, since it is larger than the sum of its proper divisors (13188039).

23281401 is a wasteful number, since it uses less digits than its factorization.

23281401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54296.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 23281401 is about 4825.0804138377. The cubic root of 23281401 is about 285.5418071261.

Adding to 23281401 its reverse (10418232), we get a palindrome (33699633).

The spelling of 23281401 in words is "twenty-three million, two hundred eighty-one thousand, four hundred one".