20202323023 has 8 divisors (see below), whose sum is σ = 20497918896. Its totient is φ = 19907236800.

The previous prime is 20202322981. The next prime is 20202323027. The reversal of 20202323023 is 32032320202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202323023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202323027) 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 7 ways as a sum of consecutive naturals, for example, 47188 + ... + 206473.

It is an arithmetic number, because the mean of its divisors is an integer number (2562239862).

Almost surely, 2^20202323023 is an apocalyptic number.

20202323023 is a deficient number, since it is larger than the sum of its proper divisors (295595873).

20202323023 is a wasteful number, since it uses less digits than its factorization.

20202323023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254825.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20202323023 its reverse (32032320202), we get a palindrome (52234643225).

The spelling of 20202323023 in words is "twenty billion, two hundred two million, three hundred twenty-three thousand, twenty-three".