1253230443 has 48 divisors (see below), whose sum is σ = 1952121600. Its totient is φ = 772390080.

The previous prime is 1253230427. The next prime is 1253230457. The reversal of 1253230443 is 3440323521.

It is not a de Polignac number, because 1253230443 - 2⁴ = 1253230427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253230423) 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 47 ways as a sum of consecutive naturals, for example, 1322896 + ... + 1323842.

It is an arithmetic number, because the mean of its divisors is an integer number (40669200).

Almost surely, 2^1253230443 is an apocalyptic number.

1253230443 is a deficient number, since it is larger than the sum of its proper divisors (698891157).

1253230443 is a wasteful number, since it uses less digits than its factorization.

1253230443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1253230443 is about 35400.9949436453. The cubic root of 1253230443 is about 1078.1445172220.

Adding to 1253230443 its reverse (3440323521), we get a palindrome (4693553964).

The spelling of 1253230443 in words is "one billion, two hundred fifty-three million, two hundred thirty thousand, four hundred forty-three".