34123344121 has 4 divisors (see below), whose sum is σ = 34129232244. Its totient is φ = 34117456000.

The previous prime is 34123344119. The next prime is 34123344191. The reversal of 34123344121 is 12144332143.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33531103225 + 592240896 = 183115^2 + 24336^2 .

It is a cyclic number.

It is not a de Polignac number, because 34123344121 - 2¹ = 34123344119 is a prime.

It is a super-2 number, since 2×34123344121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34123344121.

It is not an unprimeable number, because it can be changed into a prime (34123344191) 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, 2935360 + ... + 2946961.

It is an arithmetic number, because the mean of its divisors is an integer number (8532308061).

Almost surely, 2^34123344121 is an apocalyptic number.

It is an amenable number.

34123344121 is a deficient number, since it is larger than the sum of its proper divisors (5888123).

34123344121 is an equidigital number, since it uses as much as digits as its factorization.

34123344121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5888122.

The product of its digits is 6912, while the sum is 28.

Adding to 34123344121 its reverse (12144332143), we get a palindrome (46267676264).

The spelling of 34123344121 in words is "thirty-four billion, one hundred twenty-three million, three hundred forty-four thousand, one hundred twenty-one".