102343231 has 2 divisors, whose sum is σ = 102343232. Its totient is φ = 102343230.

The previous prime is 102343223. The next prime is 102343249. The reversal of 102343231 is 132343201.

It is a weak prime.

It is an emirp because it is prime and its reverse (132343201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102343231 - 2³ = 102343223 is a prime.

It is a super-2 number, since 2×102343231² = 20948273863038722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102343199 and 102343208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102343201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51171615 + 51171616.

It is an arithmetic number, because the mean of its divisors is an integer number (51171616).

Almost surely, 2^102343231 is an apocalyptic number.

102343231 is a deficient number, since it is larger than the sum of its proper divisors (1).

102343231 is an equidigital number, since it uses as much as digits as its factorization.

102343231 is an evil number, because the sum of its binary digits is even.

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

The square root of 102343231 is about 10116.4831339750. The cubic root of 102343231 is about 467.7563671520.

Adding to 102343231 its reverse (132343201), we get a palindrome (234686432).

The spelling of 102343231 in words is "one hundred two million, three hundred forty-three thousand, two hundred thirty-one".