1023322001 has 8 divisors (see below), whose sum is σ = 1112951784. Its totient is φ = 935251200.

The previous prime is 1023321991. The next prime is 1023322009. The reversal of 1023322001 is 1002233201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 444197776 + 579124225 = 21076^2 + 24065^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-1023322001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1023322009) 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, 388376 + ... + 391001.

It is an arithmetic number, because the mean of its divisors is an integer number (139118973).

Almost surely, 2^1023322001 is an apocalyptic number.

It is an amenable number.

1023322001 is a deficient number, since it is larger than the sum of its proper divisors (89629783).

1023322001 is a wasteful number, since it uses less digits than its factorization.

1023322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779491.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1023322001 is about 31989.4045114941. The cubic root of 1023322001 is about 1007.7143363192.

Adding to 1023322001 its reverse (1002233201), we get a palindrome (2025555202).

The spelling of 1023322001 in words is "one billion, twenty-three million, three hundred twenty-two thousand, one".