125423043331 has 8 divisors (see below), whose sum is σ = 131742952704. Its totient is φ = 119175361800.

The previous prime is 125423043329. The next prime is 125423043391. The reversal of 125423043331 is 133340324521.

It is a happy number.

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 125423043331 - 2¹ = 125423043329 is a prime.

It is a super-2 number, since 2×125423043331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125423043293 and 125423043302.

It is not an unprimeable number, because it can be changed into a prime (125423043301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18053401 + ... + 18060346.

It is an arithmetic number, because the mean of its divisors is an integer number (16467869088).

Almost surely, 2^125423043331 is an apocalyptic number.

125423043331 is a deficient number, since it is larger than the sum of its proper divisors (6319909373).

125423043331 is a wasteful number, since it uses less digits than its factorization.

125423043331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36113921.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 125423043331 its reverse (133340324521), we get a palindrome (258763367852).

The spelling of 125423043331 in words is "one hundred twenty-five billion, four hundred twenty-three million, forty-three thousand, three hundred thirty-one".