130521153023 has 4 divisors (see below), whose sum is σ = 133298198880. Its totient is φ = 127744107168.

The previous prime is 130521153019. The next prime is 130521153053. The reversal of 130521153023 is 320351125031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320351125031 = 7 ⋅45764446433.

It is a cyclic number.

It is not a de Polignac number, because 130521153023 - 2² = 130521153019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130521152983 and 130521153001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130521153053) 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, 1388522858 + ... + 1388522951.

It is an arithmetic number, because the mean of its divisors is an integer number (33324549720).

Almost surely, 2^130521153023 is an apocalyptic number.

130521153023 is a deficient number, since it is larger than the sum of its proper divisors (2777045857).

130521153023 is an equidigital number, since it uses as much as digits as its factorization.

130521153023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777045856.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 130521153023 its reverse (320351125031), we get a palindrome (450872278054).

The spelling of 130521153023 in words is "one hundred thirty billion, five hundred twenty-one million, one hundred fifty-three thousand, twenty-three".