123143131303 has 16 divisors (see below), whose sum is σ = 132150585600. Its totient is φ = 114398179200.

The previous prime is 123143131291. The next prime is 123143131411. The reversal of 123143131303 is 303131341321.

It is a de Polignac number, because none of the positive numbers 2^k-123143131303 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 (123143131003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312550 + ... + 586492.

It is an arithmetic number, because the mean of its divisors is an integer number (8259411600).

Almost surely, 2^123143131303 is an apocalyptic number.

123143131303 is a deficient number, since it is larger than the sum of its proper divisors (9007454297).

123143131303 is a wasteful number, since it uses less digits than its factorization.

123143131303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274422.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 123143131303 its reverse (303131341321), we get a palindrome (426274472624).

The spelling of 123143131303 in words is "one hundred twenty-three billion, one hundred forty-three million, one hundred thirty-one thousand, three hundred three".