1023431252 has 12 divisors (see below), whose sum is σ = 1791447840. Its totient is φ = 511589016.

The previous prime is 1023431249. The next prime is 1023431267. The reversal of 1023431252 is 2521343201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12128 + ... + 46839.

It is an arithmetic number, because the mean of its divisors is an integer number (149287320).

Almost surely, 2^1023431252 is an apocalyptic number.

It is an amenable number.

1023431252 is a deficient number, since it is larger than the sum of its proper divisors (768016588).

1023431252 is a wasteful number, since it uses less digits than its factorization.

1023431252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63310 (or 63308 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1023431252 is about 31991.1120782007. The cubic root of 1023431252 is about 1007.7501966125.

Adding to 1023431252 its reverse (2521343201), we get a palindrome (3544774453).

The spelling of 1023431252 in words is "one billion, twenty-three million, four hundred thirty-one thousand, two hundred fifty-two".