1013022020023 has 4 divisors (see below), whose sum is σ = 1090946790808. Its totient is φ = 935097249240.

The previous prime is 1013022019967. The next prime is 1013022020041. The reversal of 1013022020023 is 3200202203101.

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 1013022020023 - 2¹⁷ = 1013021888951 is a prime.

It is a super-2 number, since 2×1013022020023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013022019979 and 1013022020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013022020063) 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, 38962385373 + ... + 38962385398.

It is an arithmetic number, because the mean of its divisors is an integer number (272736697702).

Almost surely, 2^{1013022020023} is an apocalyptic number.

1013022020023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1013022020023 is a deficient number, since it is larger than the sum of its proper divisors (77924770785).

1013022020023 is an equidigital number, since it uses as much as digits as its factorization.

1013022020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77924770784.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1013022020023 its reverse (3200202203101), we get a palindrome (4213224223124).

The spelling of 1013022020023 in words is "one trillion, thirteen billion, twenty-two million, twenty thousand, twenty-three".