20230311123 has 36 divisors (see below), whose sum is σ = 33644223288. Its totient is φ = 11615469120.

The previous prime is 20230311121. The next prime is 20230311131. The reversal of 20230311123 is 32111303202.

20230311123 is a `hidden beast` number, since 2 + 0 + 230 + 311 + 123 = 666.

It is not a de Polignac number, because 20230311123 - 2¹ = 20230311121 is a prime.

It is a super-2 number, since 2×20230311123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20230311096 and 20230311105.

It is not an unprimeable number, because it can be changed into a prime (20230311121) 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 35 ways as a sum of consecutive naturals, for example, 247290 + ... + 318767.

It is an arithmetic number, because the mean of its divisors is an integer number (934561758).

Almost surely, 2^20230311123 is an apocalyptic number.

20230311123 is a deficient number, since it is larger than the sum of its proper divisors (13413912165).

20230311123 is a wasteful number, since it uses less digits than its factorization.

20230311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566112 (or 566090 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20230311123 its reverse (32111303202), we get a palindrome (52341614325).

The spelling of 20230311123 in words is "twenty billion, two hundred thirty million, three hundred eleven thousand, one hundred twenty-three".