125321511322323 has 24 divisors (see below), whose sum is σ = 182067649880688. Its totient is φ = 83064132470592.

The previous prime is 125321511322321. The next prime is 125321511322339. The reversal of 125321511322323 is 323223115123521.

125321511322323 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 2 + 1 + 5 + 1 + 1 + 322 + 323 = 666.

It is not a de Polignac number, because 125321511322323 - 2¹ = 125321511322321 is a prime.

It is a super-2 number, since 2×125321511322323² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125321511322321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336666261 + ... + 337038297.

It is an arithmetic number, because the mean of its divisors is an integer number (7586152078362).

Almost surely, 2^{125321511322323} is an apocalyptic number.

125321511322323 is a deficient number, since it is larger than the sum of its proper divisors (56746138558365).

125321511322323 is a wasteful number, since it uses less digits than its factorization.

125321511322323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588563 (or 588560 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

Adding to 125321511322323 its reverse (323223115123521), we get a palindrome (448544626445844).

The spelling of 125321511322323 in words is "one hundred twenty-five trillion, three hundred twenty-one billion, five hundred eleven million, three hundred twenty-two thousand, three hundred twenty-three".