123625526321 has 16 divisors (see below), whose sum is σ = 135052733376. Its totient is φ = 112229880000.

The previous prime is 123625526279. The next prime is 123625526327.

123625526321 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 123625526321 - 2¹⁸ = 123625264177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123625526327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38379491 + ... + 38382711.

It is an arithmetic number, because the mean of its divisors is an integer number (8440795836).

Almost surely, 2^123625526321 is an apocalyptic number.

123625526321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123625526321 is a deficient number, since it is larger than the sum of its proper divisors (11427207055).

123625526321 is a wasteful number, since it uses less digits than its factorization.

123625526321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7024.

The product of its digits is 129600, while the sum is 38.

It can be divided in two parts, 123625 and 526321, that added together give a palindrome (649946).

The spelling of 123625526321 in words is "one hundred twenty-three billion, six hundred twenty-five million, five hundred twenty-six thousand, three hundred twenty-one".