23204235 has 16 divisors (see below), whose sum is σ = 39311136. Its totient is φ = 11647488.

The previous prime is 23204231. The next prime is 23204249. The reversal of 23204235 is 53240232.

It is not a de Polignac number, because 23204235 - 2² = 23204231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23204231) 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, 45244 + ... + 45753.

It is an arithmetic number, because the mean of its divisors is an integer number (2456946).

Almost surely, 2^23204235 is an apocalyptic number.

23204235 is a deficient number, since it is larger than the sum of its proper divisors (16106901).

23204235 is a wasteful number, since it uses less digits than its factorization.

23204235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91022.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 23204235 is about 4817.0774334652. The cubic root of 23204235 is about 285.2259826621.

Adding to 23204235 its reverse (53240232), we get a palindrome (76444467).

It can be divided in two parts, 2320 and 4235, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 23204235 in words is "twenty-three million, two hundred four thousand, two hundred thirty-five".