101243002403 has 4 divisors (see below), whose sum is σ = 101250321480. Its totient is φ = 101235683328.

The previous prime is 101243002373. The next prime is 101243002417. The reversal of 101243002403 is 304200342101.

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 101243002403 - 2¹⁸ = 101242740259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101243002423) 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, 3638750 + ... + 3666467.

It is an arithmetic number, because the mean of its divisors is an integer number (25312580370).

Almost surely, 2^101243002403 is an apocalyptic number.

101243002403 is a deficient number, since it is larger than the sum of its proper divisors (7319077).

101243002403 is an equidigital number, since it uses as much as digits as its factorization.

101243002403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7319076.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 101243002403 its reverse (304200342101), we get a palindrome (405443344504).

The spelling of 101243002403 in words is "one hundred one billion, two hundred forty-three million, two thousand, four hundred three".