125573423 has 4 divisors (see below), whose sum is σ = 127163040. Its totient is φ = 123983808.

The previous prime is 125573411. The next prime is 125573429. The reversal of 125573423 is 324375521.

Added to its reverse (324375521) it gives a square (449948944 = 21212²).

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125573423 - 2¹⁰ = 125572399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125573423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125573429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794690 + ... + 794847.

It is an arithmetic number, because the mean of its divisors is an integer number (31790760).

Almost surely, 2^125573423 is an apocalyptic number.

125573423 is a deficient number, since it is larger than the sum of its proper divisors (1589617).

125573423 is an equidigital number, since it uses as much as digits as its factorization.

125573423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589616.

The product of its digits is 25200, while the sum is 32.

The square root of 125573423 is about 11205.9548009083. The cubic root of 125573423 is about 500.7633978542.

Adding to 125573423 its reverse (324375521), we get a square (449948944 = 21212²).

The spelling of 125573423 in words is "one hundred twenty-five million, five hundred seventy-three thousand, four hundred twenty-three".