123230525321 has 4 divisors (see below), whose sum is σ = 128588374272. Its totient is φ = 117872676372.

The previous prime is 123230525317. The next prime is 123230525351. The reversal of 123230525321 is 123525032321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123230525321 - 2² = 123230525317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123230525351) 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, 2678924441 + ... + 2678924486.

It is an arithmetic number, because the mean of its divisors is an integer number (32147093568).

Almost surely, 2^123230525321 is an apocalyptic number.

It is an amenable number.

123230525321 is a deficient number, since it is larger than the sum of its proper divisors (5357848951).

123230525321 is an equidigital number, since it uses as much as digits as its factorization.

123230525321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5357848950.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 123230525321 its reverse (123525032321), we get a palindrome (246755557642).

The spelling of 123230525321 in words is "one hundred twenty-three billion, two hundred thirty million, five hundred twenty-five thousand, three hundred twenty-one".