320001121023 has 4 divisors (see below), whose sum is σ = 426668161368. Its totient is φ = 213334080680.

The previous prime is 320001121007. The next prime is 320001121043. The reversal of 320001121023 is 320121100023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320121100023 = 3 ⋅106707033341.

It is a cyclic number.

It is not a de Polignac number, because 320001121023 - 2⁴ = 320001121007 is a prime.

It is a super-3 number, since 3×320001121023³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320001120993 and 320001121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320001121043) 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, 53333520168 + ... + 53333520173.

It is an arithmetic number, because the mean of its divisors is an integer number (106667040342).

Almost surely, 2^320001121023 is an apocalyptic number.

320001121023 is a deficient number, since it is larger than the sum of its proper divisors (106667040345).

320001121023 is a wasteful number, since it uses less digits than its factorization.

320001121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106667040344.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 320001121023 its reverse (320121100023), we get a palindrome (640122221046).

The spelling of 320001121023 in words is "three hundred twenty billion, one million, one hundred twenty-one thousand, twenty-three".