234104400121 has 4 divisors (see below), whose sum is σ = 234131501044. Its totient is φ = 234077299200.

The previous prime is 234104400083. The next prime is 234104400157. The reversal of 234104400121 is 121004401432.

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 135862274025 + 98242126096 = 368595^2 + 313436^2 .

It is a cyclic number.

It is not a de Polignac number, because 234104400121 - 2²¹ = 234102302969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234104400092 and 234104400101.

It is not an unprimeable number, because it can be changed into a prime (234104400421) 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, 13537500 + ... + 13554781.

It is an arithmetic number, because the mean of its divisors is an integer number (58532875261).

Almost surely, 2^234104400121 is an apocalyptic number.

It is an amenable number.

234104400121 is a deficient number, since it is larger than the sum of its proper divisors (27100923).

234104400121 is an equidigital number, since it uses as much as digits as its factorization.

234104400121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27100922.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 234104400121 its reverse (121004401432), we get a palindrome (355108801553).

The spelling of 234104400121 in words is "two hundred thirty-four billion, one hundred four million, four hundred thousand, one hundred twenty-one".