102431323 has 2 divisors, whose sum is σ = 102431324. Its totient is φ = 102431322.

The previous prime is 102431311. The next prime is 102431327. The reversal of 102431323 is 323134201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102431323 - 2⁵ = 102431291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102431323.

It is not a weakly prime, because it can be changed into another prime (102431327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51215661 + 51215662.

It is an arithmetic number, because the mean of its divisors is an integer number (51215662).

Almost surely, 2^102431323 is an apocalyptic number.

102431323 is a deficient number, since it is larger than the sum of its proper divisors (1).

102431323 is an equidigital number, since it uses as much as digits as its factorization.

102431323 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 102431323 is about 10120.8360820636. The cubic root of 102431323 is about 467.8905358591.

Adding to 102431323 its reverse (323134201), we get a palindrome (425565524).

The spelling of 102431323 in words is "one hundred two million, four hundred thirty-one thousand, three hundred twenty-three".