1530208055623 has 4 divisors (see below), whose sum is σ = 1647916367608. Its totient is φ = 1412499743640.

The previous prime is 1530208055603. The next prime is 1530208055647. The reversal of 1530208055623 is 3265508020351.

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 1530208055623 - 2³³ = 1521618121031 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 (1530208055603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58854155973 + ... + 58854155998.

It is an arithmetic number, because the mean of its divisors is an integer number (411979091902).

Almost surely, 2^{1530208055623} is an apocalyptic number.

1530208055623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1530208055623 is a deficient number, since it is larger than the sum of its proper divisors (117708311985).

1530208055623 is a wasteful number, since it uses less digits than its factorization.

1530208055623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117708311984.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 1530208055623 in words is "one trillion, five hundred thirty billion, two hundred eight million, fifty-five thousand, six hundred twenty-three".