234133331921 has 2 divisors, whose sum is σ = 234133331922. Its totient is φ = 234133331920.

The previous prime is 234133331849. The next prime is 234133332029. The reversal of 234133331921 is 129133331432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232979982400 + 1153349521 = 482680^2 + 33961^2 .

It is a cyclic number.

It is not a de Polignac number, because 234133331921 - 2¹⁸ = 234133069777 is a prime.

It is not a weakly prime, because it can be changed into another prime (234133331021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117066665960 + 117066665961.

It is an arithmetic number, because the mean of its divisors is an integer number (117066665961).

Almost surely, 2^234133331921 is an apocalyptic number.

It is an amenable number.

234133331921 is a deficient number, since it is larger than the sum of its proper divisors (1).

234133331921 is an equidigital number, since it uses as much as digits as its factorization.

234133331921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 35.

The spelling of 234133331921 in words is "two hundred thirty-four billion, one hundred thirty-three million, three hundred thirty-one thousand, nine hundred twenty-one".