23601641 has 4 divisors (see below), whose sum is σ = 26973312. Its totient is φ = 20229972.

The previous prime is 23601637. The next prime is 23601647. The reversal of 23601641 is 14610632.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23601641 - 2² = 23601637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23601647) 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 3 ways as a sum of consecutive naturals, for example, 1685825 + ... + 1685838.

It is an arithmetic number, because the mean of its divisors is an integer number (6743328).

Almost surely, 2^23601641 is an apocalyptic number.

It is an amenable number.

23601641 is a deficient number, since it is larger than the sum of its proper divisors (3371671).

23601641 is an equidigital number, since it uses as much as digits as its factorization.

23601641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371670.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 23601641 is about 4858.1520149127. The cubic root of 23601641 is about 286.8450765807.

It can be divided in two parts, 23601 and 641, that added together give a palindrome (24242).

The spelling of 23601641 in words is "twenty-three million, six hundred one thousand, six hundred forty-one".