102245423 has 4 divisors (see below), whose sum is σ = 116851920. Its totient is φ = 87638928.

The previous prime is 102245411. The next prime is 102245449. The reversal of 102245423 is 324542201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324542201 = 83 ⋅3910147.

It is a cyclic number.

It is not a de Polignac number, because 102245423 - 2¹⁰ = 102244399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102245453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7303238 + ... + 7303251.

It is an arithmetic number, because the mean of its divisors is an integer number (29212980).

Almost surely, 2^102245423 is an apocalyptic number.

102245423 is a deficient number, since it is larger than the sum of its proper divisors (14606497).

102245423 is an equidigital number, since it uses as much as digits as its factorization.

102245423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14606496.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 102245423 is about 10111.6478874613. The cubic root of 102245423 is about 467.6073102436.

Adding to 102245423 its reverse (324542201), we get a palindrome (426787624).

The spelling of 102245423 in words is "one hundred two million, two hundred forty-five thousand, four hundred twenty-three".