123410121013 has 8 divisors (see below), whose sum is σ = 130623103520. Its totient is φ = 116268909840.

The previous prime is 123410120987. The next prime is 123410121017. The reversal of 123410121013 is 310121014321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123410121013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123410121017) 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, 17939295 + ... + 17946172.

It is an arithmetic number, because the mean of its divisors is an integer number (16327887940).

Almost surely, 2^123410121013 is an apocalyptic number.

It is an amenable number.

123410121013 is a deficient number, since it is larger than the sum of its proper divisors (7212982507).

123410121013 is a wasteful number, since it uses less digits than its factorization.

123410121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35885667.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123410121013 its reverse (310121014321), we get a palindrome (433531135334).

The spelling of 123410121013 in words is "one hundred twenty-three billion, four hundred ten million, one hundred twenty-one thousand, thirteen".