1023320233 has 4 divisors (see below), whose sum is σ = 1102037188. Its totient is φ = 944603280.

The previous prime is 1023320213. The next prime is 1023320299. The reversal of 1023320233 is 3320233201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 438986304 + 584333929 = 20952^2 + 24173^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023320233 - 2¹³ = 1023312041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023320233.

It is not an unprimeable number, because it can be changed into a prime (1023320213) 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, 39358458 + ... + 39358483.

It is an arithmetic number, because the mean of its divisors is an integer number (275509297).

Almost surely, 2^1023320233 is an apocalyptic number.

1023320233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1023320233 is a deficient number, since it is larger than the sum of its proper divisors (78716955).

1023320233 is an equidigital number, since it uses as much as digits as its factorization.

1023320233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78716954.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1023320233 is about 31989.3768773323. The cubic root of 1023320233 is about 1007.7137559741.

Adding to 1023320233 its reverse (3320233201), we get a palindrome (4343553434).

The spelling of 1023320233 in words is "one billion, twenty-three million, three hundred twenty thousand, two hundred thirty-three".