100603353523 has 4 divisors (see below), whose sum is σ = 100893277080. Its totient is φ = 100313429968.

The previous prime is 100603353503. The next prime is 100603353583. The reversal of 100603353523 is 325353306001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100603353523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100603353503) 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, 144961258 + ... + 144961951.

It is an arithmetic number, because the mean of its divisors is an integer number (25223319270).

Almost surely, 2^100603353523 is an apocalyptic number.

100603353523 is a deficient number, since it is larger than the sum of its proper divisors (289923557).

100603353523 is an equidigital number, since it uses as much as digits as its factorization.

100603353523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289923556.

The product of its (nonzero) digits is 24300, while the sum is 31.

Adding to 100603353523 its reverse (325353306001), we get a palindrome (425956659524).

The spelling of 100603353523 in words is "one hundred billion, six hundred three million, three hundred fifty-three thousand, five hundred twenty-three".