20023343123 has 8 divisors (see below), whose sum is σ = 23271682560. Its totient is φ = 16871969160.

The previous prime is 20023343101. The next prime is 20023343129. The reversal of 20023343123 is 32134332002.

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 20023343123 - 2¹⁰ = 20023342099 is a prime.

It is a super-3 number, since 3×20023343123³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20023343129) 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, 24240923 + ... + 24241748.

It is an arithmetic number, because the mean of its divisors is an integer number (2908960320).

Almost surely, 2^20023343123 is an apocalyptic number.

20023343123 is a deficient number, since it is larger than the sum of its proper divisors (3248339437).

20023343123 is an equidigital number, since it uses as much as digits as its factorization.

20023343123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48482737.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20023343123 its reverse (32134332002), we get a palindrome (52157675125).

The spelling of 20023343123 in words is "twenty billion, twenty-three million, three hundred forty-three thousand, one hundred twenty-three".