23203641 has 12 divisors (see below), whose sum is σ = 31425072. Its totient is φ = 15229368.

The previous prime is 23203627. The next prime is 23203667. The reversal of 23203641 is 14630232.

It is a happy number.

It is not a de Polignac number, because 23203641 - 2⁶ = 23203577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23203601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12606 + ... + 14328.

It is an arithmetic number, because the mean of its divisors is an integer number (2618756).

Almost surely, 2^23203641 is an apocalyptic number.

It is an amenable number.

23203641 is a deficient number, since it is larger than the sum of its proper divisors (8221431).

23203641 is an equidigital number, since it uses as much as digits as its factorization.

23203641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23203641 is about 4817.0157774290. The cubic root of 23203641 is about 285.2235488293.

Adding to 23203641 its reverse (14630232), we get a palindrome (37833873).

The spelling of 23203641 in words is "twenty-three million, two hundred three thousand, six hundred forty-one".