20033023423 has 8 divisors (see below), whose sum is σ = 22928908448. Its totient is φ = 17145644544.

The previous prime is 20033023411. The next prime is 20033023459. The reversal of 20033023423 is 32432033002.

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

It is not a de Polignac number, because 20033023423 - 2³³ = 11443088831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20033023394 and 20033023403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033023463) 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, 2121486 + ... + 2130907.

It is an arithmetic number, because the mean of its divisors is an integer number (2866113556).

Almost surely, 2^20033023423 is an apocalyptic number.

20033023423 is a deficient number, since it is larger than the sum of its proper divisors (2895885025).

20033023423 is an equidigital number, since it uses as much as digits as its factorization.

20033023423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253073.

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 20033023423 its reverse (32432033002), we get a palindrome (52465056425).

The spelling of 20033023423 in words is "twenty billion, thirty-three million, twenty-three thousand, four hundred twenty-three".