102312433 has 4 divisors (see below), whose sum is σ = 103989748. Its totient is φ = 100635120.

The previous prime is 102312421. The next prime is 102312449. The reversal of 102312433 is 334213201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31550689 + 70761744 = 5617^2 + 8412^2 .

It is a cyclic number.

It is not a de Polignac number, because 102312433 - 2⁵ = 102312401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102312433.

It is not an unprimeable number, because it can be changed into a prime (102312403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838566 + ... + 838687.

It is an arithmetic number, because the mean of its divisors is an integer number (25997437).

Almost surely, 2^102312433 is an apocalyptic number.

It is an amenable number.

102312433 is a deficient number, since it is larger than the sum of its proper divisors (1677315).

102312433 is an equidigital number, since it uses as much as digits as its factorization.

102312433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677314.

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

The square root of 102312433 is about 10114.9608501467. The cubic root of 102312433 is about 467.7094420297.

Adding to 102312433 its reverse (334213201), we get a palindrome (436525634).

It can be divided in two parts, 1023 and 12433, that added together give a square (13456 = 116²).

The spelling of 102312433 in words is "one hundred two million, three hundred twelve thousand, four hundred thirty-three".