1023320001 has 16 divisors (see below), whose sum is σ = 1492747200. Its totient is φ = 618409920.

The previous prime is 1023319991. The next prime is 1023320047. The reversal of 1023320001 is 1000233201.

It is a happy number.

It is not a de Polignac number, because 1023320001 - 2⁷ = 1023319873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023320401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32910 + ... + 55943.

It is an arithmetic number, because the mean of its divisors is an integer number (93296700).

Almost surely, 2^1023320001 is an apocalyptic number.

1023320001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1023320001 is a deficient number, since it is larger than the sum of its proper divisors (469427199).

1023320001 is a wasteful number, since it uses less digits than its factorization.

1023320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89216.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1023320001 is about 31989.3732511283. The cubic root of 1023320001 is about 1007.7136798201.

Adding to 1023320001 its reverse (1000233201), we get a palindrome (2023553202).

The spelling of 1023320001 in words is "one billion, twenty-three million, three hundred twenty thousand, one".