125240108530623 has 4 divisors (see below), whose sum is σ = 166986811374168. Its totient is φ = 83493405687080.

The previous prime is 125240108530619. The next prime is 125240108530643. The reversal of 125240108530623 is 326035801042521.

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 125240108530623 - 2² = 125240108530619 is a prime.

It is a super-2 number, since 2×125240108530623² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125240108530643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20873351421768 + ... + 20873351421773.

It is an arithmetic number, because the mean of its divisors is an integer number (41746702843542).

Almost surely, 2^{125240108530623} is an apocalyptic number.

125240108530623 is a deficient number, since it is larger than the sum of its proper divisors (41746702843545).

125240108530623 is an equidigital number, since it uses as much as digits as its factorization.

125240108530623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41746702843544.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 125240108530623 in words is "one hundred twenty-five trillion, two hundred forty billion, one hundred eight million, five hundred thirty thousand, six hundred twenty-three".