130347623 has 4 divisors (see below), whose sum is σ = 148968720. Its totient is φ = 111726528.

The previous prime is 130347557. The next prime is 130347631. The reversal of 130347623 is 326743031.

It is a happy number.

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 130347623 - 2⁸ = 130347367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130347643) 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, 9310538 + ... + 9310551.

It is an arithmetic number, because the mean of its divisors is an integer number (37242180).

Almost surely, 2^130347623 is an apocalyptic number.

130347623 is a deficient number, since it is larger than the sum of its proper divisors (18621097).

130347623 is an equidigital number, since it uses as much as digits as its factorization.

130347623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18621096.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 130347623 is about 11416.9883506991. The cubic root of 130347623 is about 507.0308353061.

The spelling of 130347623 in words is "one hundred thirty million, three hundred forty-seven thousand, six hundred twenty-three".