1232450453 has 4 divisors (see below), whose sum is σ = 1327254348. Its totient is φ = 1137646560.

The previous prime is 1232450441. The next prime is 1232450473. The reversal of 1232450453 is 3540542321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 777182884 + 455267569 = 27878^2 + 21337^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232450453 - 2⁶ = 1232450389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232450473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47401928 + ... + 47401953.

It is an arithmetic number, because the mean of its divisors is an integer number (331813587).

Almost surely, 2^1232450453 is an apocalyptic number.

1232450453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1232450453 is a deficient number, since it is larger than the sum of its proper divisors (94803895).

1232450453 is an equidigital number, since it uses as much as digits as its factorization.

1232450453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94803894.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1232450453 is about 35106.2736985856. The cubic root of 1232450453 is about 1072.1523197855.

Adding to 1232450453 its reverse (3540542321), we get a palindrome (4772992774).

The spelling of 1232450453 in words is "one billion, two hundred thirty-two million, four hundred fifty thousand, four hundred fifty-three".