234612257533 has 2 divisors, whose sum is σ = 234612257534. Its totient is φ = 234612257532.

The previous prime is 234612257531. The next prime is 234612257549. The reversal of 234612257533 is 335752216432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213557667129 + 21054590404 = 462123^2 + 145102^2 .

It is a cyclic number.

It is not a de Polignac number, because 234612257533 - 2¹ = 234612257531 is a prime.

It is a super-2 number, since 2×234612257533² (a number of 24 digits) contains 22 as substring.

Together with 234612257531, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 234612257533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234612257531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117306128766 + 117306128767.

It is an arithmetic number, because the mean of its divisors is an integer number (117306128767).

Almost surely, 2^234612257533 is an apocalyptic number.

It is an amenable number.

234612257533 is a deficient number, since it is larger than the sum of its proper divisors (1).

234612257533 is an equidigital number, since it uses as much as digits as its factorization.

234612257533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 43.

The spelling of 234612257533 in words is "two hundred thirty-four billion, six hundred twelve million, two hundred fifty-seven thousand, five hundred thirty-three".