1023032144 has 20 divisors (see below), whose sum is σ = 2000312820. Its totient is φ = 506822400.

The previous prime is 1023032141. The next prime is 1023032161. The reversal of 1023032144 is 4412303201.

It can be written as a sum of positive squares in 2 ways, for example, as 786241600 + 236790544 = 28040^2 + 15388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023032141) by changing a digit.

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, 291557 + ... + 295044.

It is an arithmetic number, because the mean of its divisors is an integer number (100015641).

Almost surely, 2^1023032144 is an apocalyptic number.

It is an amenable number.

1023032144 is a deficient number, since it is larger than the sum of its proper divisors (977280676).

1023032144 is a wasteful number, since it uses less digits than its factorization.

1023032144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586718 (or 586712 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1023032144 is about 31984.8736749108. The cubic root of 1023032144 is about 1007.6191819635.

Adding to 1023032144 its reverse (4412303201), we get a palindrome (5435335345).

The spelling of 1023032144 in words is "one billion, twenty-three million, thirty-two thousand, one hundred forty-four".