1023321013 has 8 divisors (see below), whose sum is σ = 1202223456. Its totient is φ = 858730800.

The previous prime is 1023321011. The next prime is 1023321017. The reversal of 1023321013 is 3101233201.

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 1023321013 - 2¹ = 1023321011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023321011) 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, 3577903 + ... + 3578188.

It is an arithmetic number, because the mean of its divisors is an integer number (150277932).

Almost surely, 2^1023321013 is an apocalyptic number.

1023321013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1023321013 is a deficient number, since it is larger than the sum of its proper divisors (178902443).

1023321013 is a wasteful number, since it uses less digits than its factorization.

1023321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156115.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1023321013 is about 31989.3890688772. The cubic root of 1023321013 is about 1007.7140120088.

Adding to 1023321013 its reverse (3101233201), we get a palindrome (4124554214).

The spelling of 1023321013 in words is "one billion, twenty-three million, three hundred twenty-one thousand, thirteen".