125042323143 has 24 divisors (see below), whose sum is σ = 169068646656. Its totient is φ = 82204777200.

The previous prime is 125042323127. The next prime is 125042323183. The reversal of 125042323143 is 341323240521.

It is not a de Polignac number, because 125042323143 - 2⁴ = 125042323127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125042323143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125042323183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17052988 + ... + 17060318.

It is an arithmetic number, because the mean of its divisors is an integer number (7044526944).

Almost surely, 2^125042323143 is an apocalyptic number.

125042323143 is a deficient number, since it is larger than the sum of its proper divisors (44026323513).

125042323143 is an frugal number, since it uses more digits than its factorization.

125042323143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8403 (or 8324 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 125042323143 its reverse (341323240521), we get a palindrome (466365563664).

The spelling of 125042323143 in words is "one hundred twenty-five billion, forty-two million, three hundred twenty-three thousand, one hundred forty-three".