1523130200203 has 4 divisors (see below), whose sum is σ = 1523154302488. Its totient is φ = 1523106097920.

The previous prime is 1523130200173. The next prime is 1523130200231. The reversal of 1523130200203 is 3020020313251.

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 1523130200203 - 2⁹ = 1523130199691 is a prime.

It is a super-2 number, since 2×1523130200203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1523130200503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11956101 + ... + 12082822.

It is an arithmetic number, because the mean of its divisors is an integer number (380788575622).

Almost surely, 2^{1523130200203} is an apocalyptic number.

1523130200203 is a deficient number, since it is larger than the sum of its proper divisors (24102285).

1523130200203 is an equidigital number, since it uses as much as digits as its factorization.

1523130200203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24102284.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 1523130200203 its reverse (3020020313251), we get a palindrome (4543150513454).

The spelling of 1523130200203 in words is "one trillion, five hundred twenty-three billion, one hundred thirty million, two hundred thousand, two hundred three".