100235523 has 4 divisors (see below), whose sum is σ = 133647368. Its totient is φ = 66823680.

The previous prime is 100235521. The next prime is 100235543. The reversal of 100235523 is 325532001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325532001 = 3 ⋅108510667.

It is not a de Polignac number, because 100235523 - 2¹ = 100235521 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 100235523.

It is not an unprimeable number, because it can be changed into a prime (100235521) 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, 16705918 + ... + 16705923.

It is an arithmetic number, because the mean of its divisors is an integer number (33411842).

Almost surely, 2^100235523 is an apocalyptic number.

100235523 is a deficient number, since it is larger than the sum of its proper divisors (33411845).

100235523 is an equidigital number, since it uses as much as digits as its factorization.

100235523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33411844.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 100235523 is about 10011.7692242680. The cubic root of 100235523 is about 464.5229979618.

Adding to 100235523 its reverse (325532001), we get a palindrome (425767524).

The spelling of 100235523 in words is "one hundred million, two hundred thirty-five thousand, five hundred twenty-three".