12123253 has 2 divisors, whose sum is σ = 12123254. Its totient is φ = 12123252.

The previous prime is 12123239. The next prime is 12123257. The reversal of 12123253 is 35232121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7006609 + 5116644 = 2647^2 + 2262^2 .

It is a cyclic number.

It is not a de Polignac number, because 12123253 - 2²¹ = 10026101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12123253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12123257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061626 + 6061627.

It is an arithmetic number, because the mean of its divisors is an integer number (6061627).

Almost surely, 2^12123253 is an apocalyptic number.

It is an amenable number.

12123253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12123253 is an equidigital number, since it uses as much as digits as its factorization.

12123253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 19.

The square root of 12123253 is about 3481.8462056788. The cubic root of 12123253 is about 229.7240104825.

Adding to 12123253 its reverse (35232121), we get a palindrome (47355374).

It can be divided in two parts, 1212 and 3253, that added together give a triangular number (4465 = T₉₄).

The spelling of 12123253 in words is "twelve million, one hundred twenty-three thousand, two hundred fifty-three".