102323493 has 40 divisors (see below), whose sum is σ = 170406720. Its totient is φ = 60808320.

The previous prime is 102323491. The next prime is 102323497. The reversal of 102323493 is 394323201.

It is a happy number.

It is not a de Polignac number, because 102323493 - 2¹ = 102323491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102323491) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24208 + ... + 28118.

It is an arithmetic number, because the mean of its divisors is an integer number (4260168).

Almost surely, 2^102323493 is an apocalyptic number.

It is an amenable number.

102323493 is a deficient number, since it is larger than the sum of its proper divisors (68083227).

102323493 is a wasteful number, since it uses less digits than its factorization.

102323493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959 (or 3950 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 102323493 is about 10115.5075502913. The cubic root of 102323493 is about 467.7262945923.

Adding to 102323493 its reverse (394323201), we get a palindrome (496646694).

The spelling of 102323493 in words is "one hundred two million, three hundred twenty-three thousand, four hundred ninety-three".