23240235 has 64 divisors (see below), whose sum is σ = 41803776. Its totient is φ = 10982400.

The previous prime is 23240233. The next prime is 23240251. The reversal of 23240235 is 53204232.

It is not a de Polignac number, because 23240235 - 2¹ = 23240233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23240233) 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 63 ways as a sum of consecutive naturals, for example, 438469 + ... + 438521.

It is an arithmetic number, because the mean of its divisors is an integer number (653184).

Almost surely, 2^23240235 is an apocalyptic number.

23240235 is a deficient number, since it is larger than the sum of its proper divisors (18563541).

23240235 is a wasteful number, since it uses less digits than its factorization.

23240235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156.

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

The square root of 23240235 is about 4820.8126908230. The cubic root of 23240235 is about 285.3734102015.

Adding to 23240235 its reverse (53204232), we get a palindrome (76444467).

The spelling of 23240235 in words is "twenty-three million, two hundred forty thousand, two hundred thirty-five".