234120823 has 2 divisors, whose sum is σ = 234120824. Its totient is φ = 234120822.

The previous prime is 234120811. The next prime is 234120827. The reversal of 234120823 is 328021432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234120823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234120827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117060411 + 117060412.

It is an arithmetic number, because the mean of its divisors is an integer number (117060412).

Almost surely, 2^234120823 is an apocalyptic number.

234120823 is a deficient number, since it is larger than the sum of its proper divisors (1).

234120823 is an equidigital number, since it uses as much as digits as its factorization.

234120823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 234120823 is about 15301.0072544261. The cubic root of 234120823 is about 616.3300564036.

The spelling of 234120823 in words is "two hundred thirty-four million, one hundred twenty thousand, eight hundred twenty-three".