101523423 has 4 divisors (see below), whose sum is σ = 135364568. Its totient is φ = 67682280.

The previous prime is 101523391. The next prime is 101523427. The reversal of 101523423 is 324325101.

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

It is not a de Polignac number, because 101523423 - 2⁵ = 101523391 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 101523423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101523427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16920568 + ... + 16920573.

It is an arithmetic number, because the mean of its divisors is an integer number (33841142).

Almost surely, 2^101523423 is an apocalyptic number.

101523423 is a deficient number, since it is larger than the sum of its proper divisors (33841145).

101523423 is an equidigital number, since it uses as much as digits as its factorization.

101523423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33841144.

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

The square root of 101523423 is about 10075.8832367193. The cubic root of 101523423 is about 466.5040488385.

Adding to 101523423 its reverse (324325101), we get a palindrome (425848524).

The spelling of 101523423 in words is "one hundred one million, five hundred twenty-three thousand, four hundred twenty-three".