123314340021 has 8 divisors (see below), whose sum is σ = 164422739520. Its totient is φ = 82207750272.

The previous prime is 123314340001. The next prime is 123314340031. The reversal of 123314340021 is 120043413321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123314340021 - 2⁶ = 123314339957 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123314339973 and 123314340000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123314340001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284545 + ... + 572358.

It is an arithmetic number, because the mean of its divisors is an integer number (20552842440).

Almost surely, 2^123314340021 is an apocalyptic number.

It is an amenable number.

123314340021 is a deficient number, since it is larger than the sum of its proper divisors (41108399499).

123314340021 is an equidigital number, since it uses as much as digits as its factorization.

123314340021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904875.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123314340021 its reverse (120043413321), we get a palindrome (243357753342).

The spelling of 123314340021 in words is "one hundred twenty-three billion, three hundred fourteen million, three hundred forty thousand, twenty-one".