202423031 has 8 divisors (see below), whose sum is σ = 206929344. Its totient is φ = 197925120.

The previous prime is 202423019. The next prime is 202423037. The reversal of 202423031 is 130324202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202423031 - 2¹⁸ = 202160887 is a prime.

It is a super-2 number, since 2×202423031² = 81950166958453922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202423037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92591 + ... + 94751.

It is an arithmetic number, because the mean of its divisors is an integer number (25866168).

Almost surely, 2^202423031 is an apocalyptic number.

202423031 is a deficient number, since it is larger than the sum of its proper divisors (4506313).

202423031 is a wasteful number, since it uses less digits than its factorization.

202423031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201.

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

The square root of 202423031 is about 14227.5447987346. The cubic root of 202423031 is about 587.1557358957.

Adding to 202423031 its reverse (130324202), we get a palindrome (332747233).

The spelling of 202423031 in words is "two hundred two million, four hundred twenty-three thousand, thirty-one".