130940023 has 2 divisors, whose sum is σ = 130940024. Its totient is φ = 130940022.

The previous prime is 130940021. The next prime is 130940071. The reversal of 130940023 is 320049031.

It is a weak prime.

It is an emirp because it is prime and its reverse (320049031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130940023 - 2¹ = 130940021 is a prime.

Together with 130940021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 130939976 and 130940003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130940021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65470011 + 65470012.

It is an arithmetic number, because the mean of its divisors is an integer number (65470012).

Almost surely, 2^130940023 is an apocalyptic number.

130940023 is a deficient number, since it is larger than the sum of its proper divisors (1).

130940023 is an equidigital number, since it uses as much as digits as its factorization.

130940023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 130940023 is about 11442.9027348833. The cubic root of 130940023 is about 507.7977874895.

Adding to 130940023 its reverse (320049031), we get a palindrome (450989054).

The spelling of 130940023 in words is "one hundred thirty million, nine hundred forty thousand, twenty-three".