102318423 has 4 divisors (see below), whose sum is σ = 136424568. Its totient is φ = 68212280.

The previous prime is 102318379. The next prime is 102318473. The reversal of 102318423 is 324813201.

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

It is a cyclic number.

It is not a de Polignac number, because 102318423 - 2¹⁰ = 102317399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102318393 and 102318402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102318473) 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, 17053068 + ... + 17053073.

It is an arithmetic number, because the mean of its divisors is an integer number (34106142).

Almost surely, 2^102318423 is an apocalyptic number.

102318423 is a deficient number, since it is larger than the sum of its proper divisors (34106145).

102318423 is an equidigital number, since it uses as much as digits as its factorization.

102318423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34106144.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 102318423 is about 10115.2569418676. The cubic root of 102318423 is about 467.7185693821.

The spelling of 102318423 in words is "one hundred two million, three hundred eighteen thousand, four hundred twenty-three".