102018423 has 8 divisors (see below), whose sum is σ = 146488048. Its totient is φ = 62780544.

The previous prime is 102018419. The next prime is 102018437. The reversal of 102018423 is 324810201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102018423 - 2² = 102018419 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 102018423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102018473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307890 + ... + 1307967.

It is an arithmetic number, because the mean of its divisors is an integer number (18311006).

Almost surely, 2^102018423 is an apocalyptic number.

102018423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102018423 is a deficient number, since it is larger than the sum of its proper divisors (44469625).

102018423 is a wasteful number, since it uses less digits than its factorization.

102018423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615873.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 102018423 is about 10100.4169715908. The cubic root of 102018423 is about 467.2610013095.

Adding to 102018423 its reverse (324810201), we get a palindrome (426828624).

The spelling of 102018423 in words is "one hundred two million, eighteen thousand, four hundred twenty-three".