102440233 has 12 divisors (see below), whose sum is σ = 121938960. Its totient is φ = 85762152.

The previous prime is 102440231. The next prime is 102440237. The reversal of 102440233 is 332044201.

It is not a de Polignac number, because 102440233 - 2¹ = 102440231 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 102440233.

It is not an unprimeable number, because it can be changed into a prime (102440231) 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 11 ways as a sum of consecutive naturals, for example, 22203 + ... + 26416.

It is an arithmetic number, because the mean of its divisors is an integer number (10161580).

Almost surely, 2^102440233 is an apocalyptic number.

It is an amenable number.

102440233 is a deficient number, since it is larger than the sum of its proper divisors (19498727).

102440233 is an equidigital number, since it uses as much as digits as its factorization.

102440233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48676 (or 48669 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 102440233 is about 10121.2762535166. The cubic root of 102440233 is about 467.9041019692.

Adding to 102440233 its reverse (332044201), we get a palindrome (434484434).

The spelling of 102440233 in words is "one hundred two million, four hundred forty thousand, two hundred thirty-three".