234703604021 has 2 divisors, whose sum is σ = 234703604022. Its totient is φ = 234703604020.

The previous prime is 234703603961. The next prime is 234703604053. The reversal of 234703604021 is 120406307432.

It is an a-pointer prime, because the next prime (234703604053) can be obtained adding 234703604021 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159391779121 + 75311824900 = 399239^2 + 274430^2 .

It is a cyclic number.

It is not a de Polignac number, because 234703604021 - 2¹⁴ = 234703587637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234703604081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117351802010 + 117351802011.

It is an arithmetic number, because the mean of its divisors is an integer number (117351802011).

Almost surely, 2^234703604021 is an apocalyptic number.

It is an amenable number.

234703604021 is a deficient number, since it is larger than the sum of its proper divisors (1).

234703604021 is an equidigital number, since it uses as much as digits as its factorization.

234703604021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 234703604021 in words is "two hundred thirty-four billion, seven hundred three million, six hundred four thousand, twenty-one".