1023113240 has 32 divisors (see below), whose sum is σ = 2323134000. Its totient is φ = 405489024.

The previous prime is 1023113213. The next prime is 1023113251. The reversal of 1023113240 is 423113201.

It is a super-3 number, since 3×1023113240³ (a number of 28 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 112970 + ... + 121689.

Almost surely, 2^1023113240 is an apocalyptic number.

1023113240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023113240 is an abundant number, since it is smaller than the sum of its proper divisors (1300020760).

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

1023113240 is a wasteful number, since it uses less digits than its factorization.

1023113240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234779 (or 234775 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1023113240 is about 31986.1413740389. The cubic root of 1023113240 is about 1007.6458059969.

Adding to 1023113240 its reverse (423113201), we get a palindrome (1446226441).

The spelling of 1023113240 in words is "one billion, twenty-three million, one hundred thirteen thousand, two hundred forty".