1252243323 has 12 divisors (see below), whose sum is σ = 1809105480. Its totient is φ = 834686016.

The previous prime is 1252243313. The next prime is 1252243331. The reversal of 1252243323 is 3233422521.

It is not a de Polignac number, because 1252243323 - 2¹⁸ = 1251981179 is a prime.

It is a super-2 number, since 2×1252243323² = 3136226679996164658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1252243313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85840 + ... + 99362.

It is an arithmetic number, because the mean of its divisors is an integer number (150758790).

Almost surely, 2^1252243323 is an apocalyptic number.

1252243323 is a deficient number, since it is larger than the sum of its proper divisors (556862157).

1252243323 is a wasteful number, since it uses less digits than its factorization.

1252243323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23818 (or 23815 counting only the distinct ones).

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

The square root of 1252243323 is about 35387.0502161455. The cubic root of 1252243323 is about 1077.8613722854.

Adding to 1252243323 its reverse (3233422521), we get a palindrome (4485665844).

The spelling of 1252243323 in words is "one billion, two hundred fifty-two million, two hundred forty-three thousand, three hundred twenty-three".