1023253256 has 32 divisors (see below), whose sum is σ = 2119789440. Its totient is φ = 460593408.

The previous prime is 1023253243. The next prime is 1023253261. The reversal of 1023253256 is 6523523201.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 160436 + ... + 166691.

It is an arithmetic number, because the mean of its divisors is an integer number (66243420).

Almost surely, 2^1023253256 is an apocalyptic number.

It is an amenable number.

1023253256 is an abundant number, since it is smaller than the sum of its proper divisors (1096536184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023253256 is a wasteful number, since it uses less digits than its factorization.

1023253256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327173 (or 327169 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 1023253256 is about 31988.3299970474. The cubic root of 1023253256 is about 1007.6917703125.

Adding to 1023253256 its reverse (6523523201), we get a palindrome (7546776457).

The spelling of 1023253256 in words is "one billion, twenty-three million, two hundred fifty-three thousand, two hundred fifty-six".