101040210523 has 16 divisors (see below), whose sum is σ = 121896529920. Its totient is φ = 81815222016.

The previous prime is 101040210503. The next prime is 101040210571. The reversal of 101040210523 is 325012040101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101040210523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 101040210523.

It is not an unprimeable number, because it can be changed into a prime (101040210503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029115 + ... + 1123012.

It is an arithmetic number, because the mean of its divisors is an integer number (7618533120).

Almost surely, 2^101040210523 is an apocalyptic number.

101040210523 is a deficient number, since it is larger than the sum of its proper divisors (20856319397).

101040210523 is a wasteful number, since it uses less digits than its factorization.

101040210523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152506.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 101040210523 its reverse (325012040101), we get a palindrome (426052250624).

The spelling of 101040210523 in words is "one hundred one billion, forty million, two hundred ten thousand, five hundred twenty-three".