125356523 has 2 divisors, whose sum is σ = 125356524. Its totient is φ = 125356522.

The previous prime is 125356519. The next prime is 125356541. The reversal of 125356523 is 325653521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125356523 - 2² = 125356519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125356523.

It is not a weakly prime, because it can be changed into another prime (125356513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62678261 + 62678262.

It is an arithmetic number, because the mean of its divisors is an integer number (62678262).

Almost surely, 2^125356523 is an apocalyptic number.

125356523 is a deficient number, since it is larger than the sum of its proper divisors (1).

125356523 is an equidigital number, since it uses as much as digits as its factorization.

125356523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 32.

The square root of 125356523 is about 11196.2727280109. The cubic root of 125356523 is about 500.4749127729.

It can be divided in two parts, 12 and 5356523, that added together give a palindrome (5356535).

The spelling of 125356523 in words is "one hundred twenty-five million, three hundred fifty-six thousand, five hundred twenty-three".