23420235 has 8 divisors (see below), whose sum is σ = 37472400. Its totient is φ = 12490784.

The previous prime is 23420219. The next prime is 23420239. The reversal of 23420235 is 53202432.

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 23420235 - 2⁴ = 23420219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23420239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780660 + ... + 780689.

It is an arithmetic number, because the mean of its divisors is an integer number (4684050).

Almost surely, 2^23420235 is an apocalyptic number.

23420235 is a deficient number, since it is larger than the sum of its proper divisors (14052165).

23420235 is a wasteful number, since it uses less digits than its factorization.

23420235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561357.

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

The square root of 23420235 is about 4839.4457327260. The cubic root of 23420235 is about 286.1082731850.

Adding to 23420235 its reverse (53202432), we get a palindrome (76622667).

The spelling of 23420235 in words is "twenty-three million, four hundred twenty thousand, two hundred thirty-five".