125342423243 has 8 divisors (see below), whose sum is σ = 128097818112. Its totient is φ = 122590717416.

The previous prime is 125342423231. The next prime is 125342423249. The reversal of 125342423243 is 342324243521.

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 125342423243 - 2²⁶ = 125275314379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125342423249) 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 7 ways as a sum of consecutive naturals, for example, 853505 + ... + 989522.

It is an arithmetic number, because the mean of its divisors is an integer number (16012227264).

Almost surely, 2^125342423243 is an apocalyptic number.

125342423243 is a deficient number, since it is larger than the sum of its proper divisors (2755394869).

125342423243 is a wasteful number, since it uses less digits than its factorization.

125342423243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844521.

The product of its digits is 138240, while the sum is 35.

Adding to 125342423243 its reverse (342324243521), we get a palindrome (467666666764).

The spelling of 125342423243 in words is "one hundred twenty-five billion, three hundred forty-two million, four hundred twenty-three thousand, two hundred forty-three".