1023202144 has 24 divisors (see below), whose sum is σ = 2068875648. Its totient is φ = 497773440.

The previous prime is 1023202133. The next prime is 1023202199. The reversal of 1023202144 is 4412023201.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 430912 + ... + 433279.

It is an arithmetic number, because the mean of its divisors is an integer number (86203152).

Almost surely, 2^1023202144 is an apocalyptic number.

It is an amenable number.

1023202144 is an abundant number, since it is smaller than the sum of its proper divisors (1045673504).

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

1023202144 is an equidigital number, since it uses as much as digits as its factorization.

1023202144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864238 (or 864230 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1023202144 is about 31987.5310707157. The cubic root of 1023202144 is about 1007.6749918011.

Adding to 1023202144 its reverse (4412023201), we get a palindrome (5435225345).

The spelling of 1023202144 in words is "one billion, twenty-three million, two hundred two thousand, one hundred forty-four".