1020143323023 has 64 divisors (see below), whose sum is σ = 1516838400000. Its totient is φ = 604639365120.

The previous prime is 1020143323019. The next prime is 1020143323153. The reversal of 1020143323023 is 3203233410201.

It is not a de Polignac number, because 1020143323023 - 2² = 1020143323019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020143322984 and 1020143323002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020143323523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 331321398 + ... + 331324476.

It is an arithmetic number, because the mean of its divisors is an integer number (23700600000).

Almost surely, 2^{1020143323023} is an apocalyptic number.

1020143323023 is a deficient number, since it is larger than the sum of its proper divisors (496695076977).

1020143323023 is a wasteful number, since it uses less digits than its factorization.

1020143323023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1020143323023 its reverse (3203233410201), we get a palindrome (4223376733224).

The spelling of 1020143323023 in words is "one trillion, twenty billion, one hundred forty-three million, three hundred twenty-three thousand, twenty-three".