101042003523 has 4 divisors (see below), whose sum is σ = 134722671368. Its totient is φ = 67361335680.

The previous prime is 101042003497. The next prime is 101042003603. The reversal of 101042003523 is 325300240101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325300240101 = 3 ⋅108433413367.

It is not a de Polignac number, because 101042003523 - 2¹³ = 101041995331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101042003523.

It is not an unprimeable number, because it can be changed into a prime (101042003123) 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, 16840333918 + ... + 16840333923.

It is an arithmetic number, because the mean of its divisors is an integer number (33680667842).

Almost surely, 2^101042003523 is an apocalyptic number.

101042003523 is a deficient number, since it is larger than the sum of its proper divisors (33680667845).

101042003523 is an equidigital number, since it uses as much as digits as its factorization.

101042003523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33680667844.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 101042003523 its reverse (325300240101), we get a palindrome (426342243624).

The spelling of 101042003523 in words is "one hundred one billion, forty-two million, three thousand, five hundred twenty-three".