102315023 has 4 divisors (see below), whose sum is σ = 103464720. Its totient is φ = 101165328.

The previous prime is 102315011. The next prime is 102315043. The reversal of 102315023 is 320513201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320513201 = 2659 ⋅120539.

It is a cyclic number.

It is not a de Polignac number, because 102315023 - 2⁴ = 102315007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102314992 and 102315010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102315043) 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, 574715 + ... + 574892.

It is an arithmetic number, because the mean of its divisors is an integer number (25866180).

Almost surely, 2^102315023 is an apocalyptic number.

102315023 is a deficient number, since it is larger than the sum of its proper divisors (1149697).

102315023 is an equidigital number, since it uses as much as digits as its factorization.

102315023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149696.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 102315023 is about 10115.0888775136. The cubic root of 102315023 is about 467.7133886248.

Adding to 102315023 its reverse (320513201), we get a palindrome (422828224).

The spelling of 102315023 in words is "one hundred two million, three hundred fifteen thousand, twenty-three".