102240233 has 4 divisors (see below), whose sum is σ = 104169348. Its totient is φ = 100311120.

The previous prime is 102240161. The next prime is 102240241. The reversal of 102240233 is 332042201.

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 44662489 + 57577744 = 6683^2 + 7588^2 .

It is a cyclic number.

It is not a de Polignac number, because 102240233 - 2¹⁶ = 102174697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102240133) 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, 964478 + ... + 964583.

It is an arithmetic number, because the mean of its divisors is an integer number (26042337).

Almost surely, 2^102240233 is an apocalyptic number.

It is an amenable number.

102240233 is a deficient number, since it is larger than the sum of its proper divisors (1929115).

102240233 is an equidigital number, since it uses as much as digits as its factorization.

102240233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929114.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 102240233 is about 10111.3912494770. The cubic root of 102240233 is about 467.5993981600.

Adding to 102240233 its reverse (332042201), we get a palindrome (434282434).

The spelling of 102240233 in words is "one hundred two million, two hundred forty thousand, two hundred thirty-three".