123202023 has 24 divisors (see below), whose sum is σ = 201150720. Its totient is φ = 66694320.

The previous prime is 123202021. The next prime is 123202033. The reversal of 123202023 is 320202321.

It is not a de Polignac number, because 123202023 - 2¹ = 123202021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123201993 and 123202011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123202021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19263 + ... + 24848.

It is an arithmetic number, because the mean of its divisors is an integer number (8381280).

Almost surely, 2^123202023 is an apocalyptic number.

123202023 is a deficient number, since it is larger than the sum of its proper divisors (77948697).

123202023 is a wasteful number, since it uses less digits than its factorization.

123202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44147 (or 44140 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 123202023 is about 11099.6406698595. The cubic root of 123202023 is about 497.5911104734.

Adding to 123202023 its reverse (320202321), we get a palindrome (443404344).

The spelling of 123202023 in words is "one hundred twenty-three million, two hundred two thousand, twenty-three".