125636723 has 8 divisors (see below), whose sum is σ = 127650000. Its totient is φ = 123631488.

The previous prime is 125636713. The next prime is 125636743. The reversal of 125636723 is 327636521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125636723 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125636713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34703 + ... + 38151.

It is an arithmetic number, because the mean of its divisors is an integer number (15956250).

Almost surely, 2^125636723 is an apocalyptic number.

125636723 is a deficient number, since it is larger than the sum of its proper divisors (2013277).

125636723 is an equidigital number, since it uses as much as digits as its factorization.

125636723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021.

The product of its digits is 45360, while the sum is 35.

The square root of 125636723 is about 11208.7788362515. The cubic root of 125636723 is about 500.8475265857.

The spelling of 125636723 in words is "one hundred twenty-five million, six hundred thirty-six thousand, seven hundred twenty-three".