130361623 has 4 divisors (see below), whose sum is σ = 148984720. Its totient is φ = 111738528.

The previous prime is 130361573. The next prime is 130361687. The reversal of 130361623 is 326163031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326163031 = 1621 ⋅201211.

It is a cyclic number.

It is not a de Polignac number, because 130361623 - 2⁹ = 130361111 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 (130364623) 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, 9311538 + ... + 9311551.

It is an arithmetic number, because the mean of its divisors is an integer number (37246180).

Almost surely, 2^130361623 is an apocalyptic number.

130361623 is a deficient number, since it is larger than the sum of its proper divisors (18623097).

130361623 is an equidigital number, since it uses as much as digits as its factorization.

130361623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18623096.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 130361623 is about 11417.6014556473. The cubic root of 130361623 is about 507.0489872228.

It can be divided in two parts, 1303 and 61623, that added together give a palindrome (62926).

The spelling of 130361623 in words is "one hundred thirty million, three hundred sixty-one thousand, six hundred twenty-three".