1023513323 has 6 divisors (see below), whose sum is σ = 1190617596. Its totient is φ = 877297092.

The previous prime is 1023513311. The next prime is 1023513331. The reversal of 1023513323 is 3233153201.

1023513323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1023513323 - 2¹⁸ = 1023251179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023513353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10443965 + ... + 10444062.

It is an arithmetic number, because the mean of its divisors is an integer number (198436266).

Almost surely, 2^1023513323 is an apocalyptic number.

1023513323 is a deficient number, since it is larger than the sum of its proper divisors (167104273).

1023513323 is an equidigital number, since it uses as much as digits as its factorization.

1023513323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20888041 (or 20888034 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1023513323 is about 31992.3947681320. The cubic root of 1023513323 is about 1007.7771337274. Note that the first 3 decimals are identical.

Adding to 1023513323 its reverse (3233153201), we get a palindrome (4256666524).

The spelling of 1023513323 in words is "one billion, twenty-three million, five hundred thirteen thousand, three hundred twenty-three".