125542343423 has 8 divisors (see below), whose sum is σ = 143713339392. Its totient is φ = 107430441336.

The previous prime is 125542343419. The next prime is 125542343441. The reversal of 125542343423 is 324343245521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125542343423 - 2² = 125542343419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125542343413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14768915 + ... + 14777412.

It is an arithmetic number, because the mean of its divisors is an integer number (17964167424).

Almost surely, 2^125542343423 is an apocalyptic number.

125542343423 is a deficient number, since it is larger than the sum of its proper divisors (18170995969).

125542343423 is an equidigital number, since it uses as much as digits as its factorization.

125542343423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29546941.

The product of its digits is 345600, while the sum is 38.

Adding to 125542343423 its reverse (324343245521), we get a palindrome (449885588944).

The spelling of 125542343423 in words is "one hundred twenty-five billion, five hundred forty-two million, three hundred forty-three thousand, four hundred twenty-three".