20234353 has 4 divisors (see below), whose sum is σ = 20243440. Its totient is φ = 20225268.

The previous prime is 20234329. The next prime is 20234377. The reversal of 20234353 is 35343202.

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, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (20234329) and next prime (20234377).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20234353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20232353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1318 + ... + 6496.

It is an arithmetic number, because the mean of its divisors is an integer number (5060860).

Almost surely, 2^20234353 is an apocalyptic number.

It is an amenable number.

20234353 is a deficient number, since it is larger than the sum of its proper divisors (9087).

20234353 is an equidigital number, since it uses as much as digits as its factorization.

20234353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9086.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 20234353 is about 4498.2611084729. The cubic root of 20234353 is about 272.4978671662.

Adding to 20234353 its reverse (35343202), we get a palindrome (55577555).

The spelling of 20234353 in words is "twenty million, two hundred thirty-four thousand, three hundred fifty-three".