125323543 has 4 divisors (see below), whose sum is σ = 128238088. Its totient is φ = 122409000.

The previous prime is 125323519. The next prime is 125323589. The reversal of 125323543 is 345323521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125323543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125323043) 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, 1457208 + ... + 1457293.

It is an arithmetic number, because the mean of its divisors is an integer number (32059522).

Almost surely, 2^125323543 is an apocalyptic number.

125323543 is a deficient number, since it is larger than the sum of its proper divisors (2914545).

125323543 is an equidigital number, since it uses as much as digits as its factorization.

125323543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914544.

The product of its digits is 10800, while the sum is 28.

The square root of 125323543 is about 11194.7998195591. The cubic root of 125323543 is about 500.4310190051.

The spelling of 125323543 in words is "one hundred twenty-five million, three hundred twenty-three thousand, five hundred forty-three".