23501401 has 32 divisors (see below), whose sum is σ = 30774528. Its totient is φ = 17418240.

The previous prime is 23501393. The next prime is 23501431. The reversal of 23501401 is 10410532.

23501401 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 23501401 - 2³ = 23501393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23501431) 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 31 ways as a sum of consecutive naturals, for example, 207921 + ... + 208033.

It is an arithmetic number, because the mean of its divisors is an integer number (961704).

Almost surely, 2^23501401 is an apocalyptic number.

It is an amenable number.

23501401 is a deficient number, since it is larger than the sum of its proper divisors (7273127).

23501401 is a wasteful number, since it uses less digits than its factorization.

23501401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 23501401 is about 4847.8243573793. The cubic root of 23501401 is about 286.4384077744.

Adding to 23501401 its reverse (10410532), we get a palindrome (33911933).

The spelling of 23501401 in words is "twenty-three million, five hundred one thousand, four hundred one".