1023020312 has 32 divisors (see below), whose sum is σ = 2003443200. Its totient is φ = 488810784.

The previous prime is 1023020311. The next prime is 1023020329. The reversal of 1023020312 is 2130203201.

It is a happy number.

1023020312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023020311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271739 + ... + 275477.

It is an arithmetic number, because the mean of its divisors is an integer number (62607600).

Almost surely, 2^1023020312 is an apocalyptic number.

It is an amenable number.

1023020312 is a deficient number, since it is larger than the sum of its proper divisors (980422888).

1023020312 is a wasteful number, since it uses less digits than its factorization.

1023020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255 (or 5251 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1023020312 is about 31984.6887119447. The cubic root of 1023020312 is about 1007.6152973686.

Adding to 1023020312 its reverse (2130203201), we get a palindrome (3153223513).

The spelling of 1023020312 in words is "one billion, twenty-three million, twenty thousand, three hundred twelve".