130509023 has 2 divisors, whose sum is σ = 130509024. Its totient is φ = 130509022.

The previous prime is 130508957. The next prime is 130509031. The reversal of 130509023 is 320905031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130509023 - 2¹⁶ = 130443487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130509023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130509053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65254511 + 65254512.

It is an arithmetic number, because the mean of its divisors is an integer number (65254512).

Almost surely, 2^130509023 is an apocalyptic number.

130509023 is a deficient number, since it is larger than the sum of its proper divisors (1).

130509023 is an equidigital number, since it uses as much as digits as its factorization.

130509023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 130509023 is about 11424.0545779509. The cubic root of 130509023 is about 507.2400221493.

The spelling of 130509023 in words is "one hundred thirty million, five hundred nine thousand, twenty-three".