102003023 has 4 divisors (see below), whose sum is σ = 102040800. Its totient is φ = 101965248.

The previous prime is 102002987. The next prime is 102003037. The reversal of 102003023 is 320300201.

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 102003023 - 2⁶ = 102002959 is a prime.

It is a super-2 number, since 2×102003023² = 20809233402277058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102002995 and 102003013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14498 + ... + 20351.

It is an arithmetic number, because the mean of its divisors is an integer number (25510200).

Almost surely, 2^102003023 is an apocalyptic number.

102003023 is a deficient number, since it is larger than the sum of its proper divisors (37777).

102003023 is an equidigital number, since it uses as much as digits as its factorization.

102003023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37776.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 102003023 is about 10099.6545980543. The cubic root of 102003023 is about 467.2374886232.

Adding to 102003023 its reverse (320300201), we get a palindrome (422303224).

The spelling of 102003023 in words is "one hundred two million, three thousand, twenty-three".