20232311123 has 8 divisors (see below), whose sum is σ = 21626904096. Its totient is φ = 18880628800.

The previous prime is 20232311087. The next prime is 20232311147. The reversal of 20232311123 is 32111323202.

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 20232311123 - 2¹⁰ = 20232310099 is a prime.

It is a super-2 number, since 2×20232311123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20232311095 and 20232311104.

It is not an unprimeable number, because it can be changed into a prime (20232311623) 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, 10726688 + ... + 10728573.

It is an arithmetic number, because the mean of its divisors is an integer number (2703363012).

Almost surely, 2^20232311123 is an apocalyptic number.

20232311123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20232311123 is a deficient number, since it is larger than the sum of its proper divisors (1394592973).

20232311123 is a wasteful number, since it uses less digits than its factorization.

20232311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21455325.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20232311123 its reverse (32111323202), we get a palindrome (52343634325).

The spelling of 20232311123 in words is "twenty billion, two hundred thirty-two million, three hundred eleven thousand, one hundred twenty-three".