1023043550 has 12 divisors (see below), whose sum is σ = 1902861096. Its totient is φ = 409217400.

The previous prime is 1023043537. The next prime is 1023043597. The reversal of 1023043550 is 553403201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10230386 + ... + 10230485.

It is an arithmetic number, because the mean of its divisors is an integer number (158571758).

Almost surely, 2^1023043550 is an apocalyptic number.

1023043550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023043550 is a deficient number, since it is larger than the sum of its proper divisors (879817546).

1023043550 is a wasteful number, since it uses less digits than its factorization.

1023043550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20460883 (or 20460878 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1023043550 is about 31985.0519774472. The cubic root of 1023043550 is about 1007.6229266688.

Adding to 1023043550 its reverse (553403201), we get a palindrome (1576446751).

The spelling of 1023043550 in words is "one billion, twenty-three million, forty-three thousand, five hundred fifty".