100231240011523 has 4 divisors (see below), whose sum is σ = 104589120012048. Its totient is φ = 95873360011000.

The previous prime is 100231240011517. The next prime is 100231240011547. The reversal of 100231240011523 is 325110042132001.

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

It is not a de Polignac number, because 100231240011523 - 2¹⁷ = 100231239880451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100231240012523) 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, 2178940000228 + ... + 2178940000273.

It is an arithmetic number, because the mean of its divisors is an integer number (26147280003012).

Almost surely, 2^{100231240011523} is an apocalyptic number.

100231240011523 is a deficient number, since it is larger than the sum of its proper divisors (4357880000525).

100231240011523 is an equidigital number, since it uses as much as digits as its factorization.

100231240011523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4357880000524.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 100231240011523 its reverse (325110042132001), we get a palindrome (425341282143524).

The spelling of 100231240011523 in words is "one hundred trillion, two hundred thirty-one billion, two hundred forty million, eleven thousand, five hundred twenty-three".