125003420311323 has 4 divisors (see below), whose sum is σ = 166671227081768. Its totient is φ = 83335613540880.

The previous prime is 125003420311283. The next prime is 125003420311327. The reversal of 125003420311323 is 323113024300521.

125003420311323 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 125003420311323 - 2¹⁶ = 125003420245787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125003420311327) 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, 20833903385218 + ... + 20833903385223.

It is an arithmetic number, because the mean of its divisors is an integer number (41667806770442).

Almost surely, 2^{125003420311323} is an apocalyptic number.

125003420311323 is a deficient number, since it is larger than the sum of its proper divisors (41667806770445).

125003420311323 is an equidigital number, since it uses as much as digits as its factorization.

125003420311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41667806770444.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 125003420311323 its reverse (323113024300521), we get a palindrome (448116444611844).

The spelling of 125003420311323 in words is "one hundred twenty-five trillion, three billion, four hundred twenty million, three hundred eleven thousand, three hundred twenty-three".