12153203 has 2 divisors, whose sum is σ = 12153204. Its totient is φ = 12153202.

The previous prime is 12153199. The next prime is 12153221. The reversal of 12153203 is 30235121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12153203 - 2² = 12153199 is a prime.

It is not a weakly prime, because it can be changed into another prime (12153503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6076601 + 6076602.

It is an arithmetic number, because the mean of its divisors is an integer number (6076602).

Almost surely, 2^12153203 is an apocalyptic number.

12153203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12153203 is an equidigital number, since it uses as much as digits as its factorization.

12153203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 12153203 is about 3486.1444318903. The cubic root of 12153203 is about 229.9130294996.

Adding to 12153203 its reverse (30235121), we get a palindrome (42388324).

The spelling of 12153203 in words is "twelve million, one hundred fifty-three thousand, two hundred three".