1023320231 has 8 divisors (see below), whose sum is σ = 1047261600. Its totient is φ = 999643680.

The previous prime is 1023320213. The next prime is 1023320299. The reversal of 1023320231 is 1320233201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023320231 is a prime.

It is a super-2 number, since 2×1023320231² = 2094368590347786722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023320731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58376 + ... + 73853.

It is an arithmetic number, because the mean of its divisors is an integer number (130907700).

Almost surely, 2^1023320231 is an apocalyptic number.

1023320231 is a deficient number, since it is larger than the sum of its proper divisors (23941369).

1023320231 is a wasteful number, since it uses less digits than its factorization.

1023320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132409.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1023320231 is about 31989.3768460719. The cubic root of 1023320231 is about 1007.7137553176.

Adding to 1023320231 its reverse (1320233201), we get a palindrome (2343553432).

The spelling of 1023320231 in words is "one billion, twenty-three million, three hundred twenty thousand, two hundred thirty-one".