20233140123 has 48 divisors (see below), whose sum is σ = 32496456960. Its totient is φ = 11152008000.

The previous prime is 20233140097. The next prime is 20233140127. The reversal of 20233140123 is 32104133202.

It is not a de Polignac number, because 20233140123 - 2⁸ = 20233139867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20233140123.

It is not an unprimeable number, because it can be changed into a prime (20233140127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6183978 + ... + 6187248.

It is an arithmetic number, because the mean of its divisors is an integer number (677009520).

Almost surely, 2^20233140123 is an apocalyptic number.

20233140123 is a deficient number, since it is larger than the sum of its proper divisors (12263316837).

20233140123 is a wasteful number, since it uses less digits than its factorization.

20233140123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768 (or 4761 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20233140123 its reverse (32104133202), we get a palindrome (52337273325).

The spelling of 20233140123 in words is "twenty billion, two hundred thirty-three million, one hundred forty thousand, one hundred twenty-three".