123010203143 has 4 divisors (see below), whose sum is σ = 123011293080. Its totient is φ = 123009113208.

The previous prime is 123010203109. The next prime is 123010203191. The reversal of 123010203143 is 341302010321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 123010203143 - 2⁶ = 123010203079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123010203193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353180 + ... + 608897.

It is an arithmetic number, because the mean of its divisors is an integer number (30752823270).

Almost surely, 2^123010203143 is an apocalyptic number.

123010203143 is a deficient number, since it is larger than the sum of its proper divisors (1089937).

123010203143 is an equidigital number, since it uses as much as digits as its factorization.

123010203143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089936.

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

Adding to 123010203143 its reverse (341302010321), we get a palindrome (464312213464).

The spelling of 123010203143 in words is "one hundred twenty-three billion, ten million, two hundred three thousand, one hundred forty-three".