123514120021 has 8 divisors (see below), whose sum is σ = 130383184320. Its totient is φ = 116681887872.

The previous prime is 123514119997. The next prime is 123514120027. The reversal of 123514120021 is 120021415321.

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

It is a cyclic number.

It is not a de Polignac number, because 123514120021 - 2¹¹ = 123514117973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123514119974 and 123514120001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123514120027) 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, 9201145 + ... + 9214558.

It is an arithmetic number, because the mean of its divisors is an integer number (16297898040).

Almost surely, 2^123514120021 is an apocalyptic number.

It is an amenable number.

123514120021 is a deficient number, since it is larger than the sum of its proper divisors (6869064299).

123514120021 is a wasteful number, since it uses less digits than its factorization.

123514120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18416075.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 123514120021 its reverse (120021415321), we get a palindrome (243535535342).

The spelling of 123514120021 in words is "one hundred twenty-three billion, five hundred fourteen million, one hundred twenty thousand, twenty-one".