130340531623 has 4 divisors (see below), whose sum is σ = 132285912760. Its totient is φ = 128395150488.

The previous prime is 130340531603. The next prime is 130340531641. The reversal of 130340531623 is 326135043031.

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 130340531623 - 2⁵ = 130340531591 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 (130340531603) 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, 972690468 + ... + 972690601.

It is an arithmetic number, because the mean of its divisors is an integer number (33071478190).

Almost surely, 2^130340531623 is an apocalyptic number.

130340531623 is a deficient number, since it is larger than the sum of its proper divisors (1945381137).

130340531623 is an equidigital number, since it uses as much as digits as its factorization.

130340531623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945381136.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 130340531623 its reverse (326135043031), we get a palindrome (456475574654).

The spelling of 130340531623 in words is "one hundred thirty billion, three hundred forty million, five hundred thirty-one thousand, six hundred twenty-three".