1023321000023 has 4 divisors (see below), whose sum is σ = 1169509714320. Its totient is φ = 877132285728.

The previous prime is 1023320999999. The next prime is 1023321000029. The reversal of 1023321000023 is 3200001233201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1023321000023 - 2³⁰ = 1022247258199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023320999965 and 1023321000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023321000029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73094357138 + ... + 73094357151.

It is an arithmetic number, because the mean of its divisors is an integer number (292377428580).

Almost surely, 2^{1023321000023} is an apocalyptic number.

1023321000023 is a deficient number, since it is larger than the sum of its proper divisors (146188714297).

1023321000023 is an equidigital number, since it uses as much as digits as its factorization.

1023321000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146188714296.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1023321000023 its reverse (3200001233201), we get a palindrome (4223322233224).

The spelling of 1023321000023 in words is "one trillion, twenty-three billion, three hundred twenty-one million, twenty-three", and thus it is an aban number.