1513245023 has 2 divisors, whose sum is σ = 1513245024. Its totient is φ = 1513245022.

The previous prime is 1513245007. The next prime is 1513245047. The reversal of 1513245023 is 3205423151.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1513245023 - 2⁴ = 1513245007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1513244983 and 1513245001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513245073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756622511 + 756622512.

It is an arithmetic number, because the mean of its divisors is an integer number (756622512).

Almost surely, 2^1513245023 is an apocalyptic number.

1513245023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513245023 is an equidigital number, since it uses as much as digits as its factorization.

1513245023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1513245023 is about 38900.4501644904. The cubic root of 1513245023 is about 1148.0736554194.

Adding to 1513245023 its reverse (3205423151), we get a palindrome (4718668174).

The spelling of 1513245023 in words is "one billion, five hundred thirteen million, two hundred forty-five thousand, twenty-three".