102018383 has 4 divisors (see below), whose sum is σ = 103028568. Its totient is φ = 101008200.

The previous prime is 102018349. The next prime is 102018407. The reversal of 102018383 is 383810201.

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 102018383 - 2¹⁰ = 102017359 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 (102011383) 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, 504941 + ... + 505142.

It is an arithmetic number, because the mean of its divisors is an integer number (25757142).

Almost surely, 2^102018383 is an apocalyptic number.

102018383 is a deficient number, since it is larger than the sum of its proper divisors (1010185).

102018383 is a wasteful number, since it uses less digits than its factorization.

102018383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010184.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 102018383 is about 10100.4149914744. The cubic root of 102018383 is about 467.2609402406.

Adding to 102018383 its reverse (383810201), we get a palindrome (485828584).

The spelling of 102018383 in words is "one hundred two million, eighteen thousand, three hundred eighty-three".