234011423 has 2 divisors, whose sum is σ = 234011424. Its totient is φ = 234011422.

The previous prime is 234011419. The next prime is 234011471. The reversal of 234011423 is 324110432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234011423 - 2² = 234011419 is a prime.

It is a super-2 number, since 2×234011423² = 109522692188969858, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 234011395 and 234011404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234011023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117005711 + 117005712.

It is an arithmetic number, because the mean of its divisors is an integer number (117005712).

Almost surely, 2^234011423 is an apocalyptic number.

234011423 is a deficient number, since it is larger than the sum of its proper divisors (1).

234011423 is an equidigital number, since it uses as much as digits as its factorization.

234011423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 234011423 is about 15297.4319086571. The cubic root of 234011423 is about 616.2340418581.

Adding to 234011423 its reverse (324110432), we get a palindrome (558121855).

Subtracting 234011423 from its reverse (324110432), we obtain a palindrome (90099009).

The spelling of 234011423 in words is "two hundred thirty-four million, eleven thousand, four hundred twenty-three".