20203430023 has 8 divisors (see below), whose sum is σ = 24093531648. Its totient is φ = 16564302744.

The previous prime is 20203429997. The next prime is 20203430057. The reversal of 20203430023 is 32003430202.

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 20203430023 - 2⁵ = 20203429991 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 (20203430323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62743411 + ... + 62743732.

It is an arithmetic number, because the mean of its divisors is an integer number (3011691456).

Almost surely, 2^20203430023 is an apocalyptic number.

20203430023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20203430023 is a deficient number, since it is larger than the sum of its proper divisors (3890101625).

20203430023 is a wasteful number, since it uses less digits than its factorization.

20203430023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125487173.

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

Adding to 20203430023 its reverse (32003430202), we get a palindrome (52206860225).

The spelling of 20203430023 in words is "twenty billion, two hundred three million, four hundred thirty thousand, twenty-three".