1023313523 has 8 divisors (see below), whose sum is σ = 1042344960. Its totient is φ = 1004338440.

The previous prime is 1023313519. The next prime is 1023313531. The reversal of 1023313523 is 3253133201.

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

It is a cyclic number.

It is not a de Polignac number, because 1023313523 - 2² = 1023313519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023313513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23486 + ... + 50972.

It is an arithmetic number, because the mean of its divisors is an integer number (130293120).

Almost surely, 2^1023313523 is an apocalyptic number.

1023313523 is a deficient number, since it is larger than the sum of its proper divisors (19031437).

1023313523 is an equidigital number, since it uses as much as digits as its factorization.

1023313523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28177.

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

The square root of 1023313523 is about 31989.2719985935. The cubic root of 1023313523 is about 1007.7115534136.

Adding to 1023313523 its reverse (3253133201), we get a palindrome (4276446724).

The spelling of 1023313523 in words is "one billion, twenty-three million, three hundred thirteen thousand, five hundred twenty-three".