1023243133 has 16 divisors (see below), whose sum is σ = 1157437440. Its totient is φ = 896180400.

The previous prime is 1023243131. The next prime is 1023243149. The reversal of 1023243133 is 3313423201.

It is a cyclic number.

It is not a de Polignac number, because 1023243133 - 2¹ = 1023243131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023243131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70798 + ... + 84016.

It is an arithmetic number, because the mean of its divisors is an integer number (72339840).

Almost surely, 2^1023243133 is an apocalyptic number.

It is an amenable number.

1023243133 is a deficient number, since it is larger than the sum of its proper divisors (134194307).

1023243133 is a wasteful number, since it uses less digits than its factorization.

1023243133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13488.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1023243133 is about 31988.1717670767. The cubic root of 1023243133 is about 1007.6884472846.

Adding to 1023243133 its reverse (3313423201), we get a palindrome (4336666334).

The spelling of 1023243133 in words is "one billion, twenty-three million, two hundred forty-three thousand, one hundred thirty-three".