125456323271703 has 4 divisors (see below), whose sum is σ = 167275097695608. Its totient is φ = 83637548847800.

The previous prime is 125456323271681. The next prime is 125456323271753. The reversal of 125456323271703 is 307172323654521.

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 125456323271703 - 2²² = 125456319077399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125456323271753) 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, 20909387211948 + ... + 20909387211953.

It is an arithmetic number, because the mean of its divisors is an integer number (41818774423902).

Almost surely, 2^{125456323271703} is an apocalyptic number.

125456323271703 is a deficient number, since it is larger than the sum of its proper divisors (41818774423905).

125456323271703 is an equidigital number, since it uses as much as digits as its factorization.

125456323271703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41818774423904.

The product of its (nonzero) digits is 6350400, while the sum is 51.

The spelling of 125456323271703 in words is "one hundred twenty-five trillion, four hundred fifty-six billion, three hundred twenty-three million, two hundred seventy-one thousand, seven hundred three".