125623430530133 has 4 divisors (see below), whose sum is σ = 125625456221100. Its totient is φ = 125621404839168.

The previous prime is 125623430530127. The next prime is 125623430530189. The reversal of 125623430530133 is 331035034326521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 116996715516004 + 8626715014129 = 10816502^2 + 2937127^2 .

It is a cyclic number.

It is not a de Polignac number, because 125623430530133 - 2¹⁰ = 125623430529109 is a prime.

It is a super-3 number, since 3×125623430530133³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125623430830133) 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, 1012752458 + ... + 1012876491.

It is an arithmetic number, because the mean of its divisors is an integer number (31406364055275).

Almost surely, 2^{125623430530133} is an apocalyptic number.

It is an amenable number.

125623430530133 is a deficient number, since it is larger than the sum of its proper divisors (2025690967).

125623430530133 is an equidigital number, since it uses as much as digits as its factorization.

125623430530133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025690966.

The product of its (nonzero) digits is 583200, while the sum is 41.

Adding to 125623430530133 its reverse (331035034326521), we get a palindrome (456658464856654).

The spelling of 125623430530133 in words is "one hundred twenty-five trillion, six hundred twenty-three billion, four hundred thirty million, five hundred thirty thousand, one hundred thirty-three".