102343213 has 12 divisors (see below), whose sum is σ = 126056412. Its totient is φ = 82561920.

The previous prime is 102343211. The next prime is 102343217. The reversal of 102343213 is 312343201.

It can be written as a sum of positive squares in 2 ways, for example, as 93450889 + 8892324 = 9667^2 + 2982^2 .

It is not a de Polignac number, because 102343213 - 2¹ = 102343211 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 (102343211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60598 + ... + 62263.

It is an arithmetic number, because the mean of its divisors is an integer number (10504701).

Almost surely, 2^102343213 is an apocalyptic number.

It is an amenable number.

102343213 is a deficient number, since it is larger than the sum of its proper divisors (23713199).

102343213 is a wasteful number, since it uses less digits than its factorization.

102343213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122892 (or 122885 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 102343213 is about 10116.4822443377. The cubic root of 102343213 is about 467.7563397292.

Adding to 102343213 its reverse (312343201), we get a palindrome (414686414).

The spelling of 102343213 in words is "one hundred two million, three hundred forty-three thousand, two hundred thirteen".