23401265 has 8 divisors (see below), whose sum is σ = 29733480. Its totient is φ = 17619712.

The previous prime is 23401211. The next prime is 23401267. The reversal of 23401265 is 56210432.

It can be written as a sum of positive squares in 4 ways, for example, as 2093809 + 21307456 = 1447^2 + 4616^2 .

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 23401265 - 2¹⁶ = 23335729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23401265.

It is not an unprimeable number, because it can be changed into a prime (23401267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137570 + ... + 137739.

It is an arithmetic number, because the mean of its divisors is an integer number (3716685).

Almost surely, 2^23401265 is an apocalyptic number.

It is an amenable number.

23401265 is a deficient number, since it is larger than the sum of its proper divisors (6332215).

23401265 is a wasteful number, since it uses less digits than its factorization.

23401265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275331.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 23401265 is about 4837.4854004948. The cubic root of 23401265 is about 286.0310046750.

Adding to 23401265 its reverse (56210432), we get a palindrome (79611697).

The spelling of 23401265 in words is "twenty-three million, four hundred one thousand, two hundred sixty-five".