125423350442 has 8 divisors (see below), whose sum is σ = 202606950756. Its totient is φ = 57887700192.

The previous prime is 125423350421. The next prime is 125423350501. The reversal of 125423350442 is 244053324521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125302548361 + 120802081 = 353981^2 + 10991^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2411987483 + ... + 2411987534.

Almost surely, 2^125423350442 is an apocalyptic number.

125423350442 is a deficient number, since it is larger than the sum of its proper divisors (77183600314).

125423350442 is a wasteful number, since it uses less digits than its factorization.

125423350442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823975032.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 125423350442 its reverse (244053324521), we get a palindrome (369476674963).

The spelling of 125423350442 in words is "one hundred twenty-five billion, four hundred twenty-three million, three hundred fifty thousand, four hundred forty-two".