234151510121 has 4 divisors (see below), whose sum is σ = 234154340052. Its totient is φ = 234148680192.

The previous prime is 234151510079. The next prime is 234151510123. The reversal of 234151510121 is 121015151432.

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 226466533225 + 7684976896 = 475885^2 + 87664^2 .

It is a cyclic number.

It is not a de Polignac number, because 234151510121 - 2⁶ = 234151510057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234151510123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286996 + ... + 1457621.

It is an arithmetic number, because the mean of its divisors is an integer number (58538585013).

Almost surely, 2^234151510121 is an apocalyptic number.

It is an amenable number.

234151510121 is a deficient number, since it is larger than the sum of its proper divisors (2829931).

234151510121 is an equidigital number, since it uses as much as digits as its factorization.

234151510121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829930.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 234151510121 its reverse (121015151432), we get a palindrome (355166661553).

The spelling of 234151510121 in words is "two hundred thirty-four billion, one hundred fifty-one million, five hundred ten thousand, one hundred twenty-one".