102212023 has 4 divisors (see below), whose sum is σ = 106656048. Its totient is φ = 97768000.

The previous prime is 102212021. The next prime is 102212059. The reversal of 102212023 is 320212201.

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 102212023 - 2¹ = 102212021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102211994 and 102212012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2221978 + ... + 2222023.

It is an arithmetic number, because the mean of its divisors is an integer number (26664012).

Almost surely, 2^102212023 is an apocalyptic number.

102212023 is a deficient number, since it is larger than the sum of its proper divisors (4444025).

102212023 is an equidigital number, since it uses as much as digits as its factorization.

102212023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444024.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102212023 is about 10109.9961918885. The cubic root of 102212023 is about 467.5563877194.

Adding to 102212023 its reverse (320212201), we get a palindrome (422424224).

The spelling of 102212023 in words is "one hundred two million, two hundred twelve thousand, twenty-three".