1513321023023 has 2 divisors, whose sum is σ = 1513321023024. Its totient is φ = 1513321023022.

The previous prime is 1513321022999. The next prime is 1513321023061. The reversal of 1513321023023 is 3203201233151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1513321023023 - 2⁶ = 1513321022959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1513321022983 and 1513321023001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513321020023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756660511511 + 756660511512.

It is an arithmetic number, because the mean of its divisors is an integer number (756660511512).

Almost surely, 2^{1513321023023} is an apocalyptic number.

1513321023023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513321023023 is an equidigital number, since it uses as much as digits as its factorization.

1513321023023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 1513321023023 its reverse (3203201233151), we get a palindrome (4716522256174).

The spelling of 1513321023023 in words is "one trillion, five hundred thirteen billion, three hundred twenty-one million, twenty-three thousand, twenty-three".