125623241473 has 2 divisors, whose sum is σ = 125623241474. Its totient is φ = 125623241472.

The previous prime is 125623241441. The next prime is 125623241521. The reversal of 125623241473 is 374142326521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117500185089 + 8123056384 = 342783^2 + 90128^2 .

It is a cyclic number.

It is not a de Polignac number, because 125623241473 - 2⁵ = 125623241441 is a prime.

It is not a weakly prime, because it can be changed into another prime (125623242473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62811620736 + 62811620737.

It is an arithmetic number, because the mean of its divisors is an integer number (62811620737).

Almost surely, 2^125623241473 is an apocalyptic number.

It is an amenable number.

125623241473 is a deficient number, since it is larger than the sum of its proper divisors (1).

125623241473 is an equidigital number, since it uses as much as digits as its factorization.

125623241473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

Adding to 125623241473 its reverse (374142326521), we get a palindrome (499765567994).

The spelling of 125623241473 in words is "one hundred twenty-five billion, six hundred twenty-three million, two hundred forty-one thousand, four hundred seventy-three".