102323231 has 4 divisors (see below), whose sum is σ = 104253912. Its totient is φ = 100392552.

The previous prime is 102323203. The next prime is 102323233. The reversal of 102323231 is 132323201.

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

It is a cyclic number.

It is not a de Polignac number, because 102323231 - 2¹⁸ = 102061087 is a prime.

It is a super-2 number, since 2×102323231² = 20940087204558722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102323233) 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, 965261 + ... + 965366.

It is an arithmetic number, because the mean of its divisors is an integer number (26063478).

Almost surely, 2^102323231 is an apocalyptic number.

102323231 is a deficient number, since it is larger than the sum of its proper divisors (1930681).

102323231 is an equidigital number, since it uses as much as digits as its factorization.

102323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930680.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 102323231 is about 10115.4945998700. The cubic root of 102323231 is about 467.7258953865.

Adding to 102323231 its reverse (132323201), we get a palindrome (234646432).

The spelling of 102323231 in words is "one hundred two million, three hundred twenty-three thousand, two hundred thirty-one".