23430434233 has 2 divisors, whose sum is σ = 23430434234. Its totient is φ = 23430434232.

The previous prime is 23430434221. The next prime is 23430434239. The reversal of 23430434233 is 33243403432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22204874169 + 1225560064 = 149013^2 + 35008^2 .

It is a cyclic number.

It is not a de Polignac number, because 23430434233 - 2⁵ = 23430434201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23430434195 and 23430434204.

It is not a weakly prime, because it can be changed into another prime (23430434239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715217116 + 11715217117.

It is an arithmetic number, because the mean of its divisors is an integer number (11715217117).

Almost surely, 2^23430434233 is an apocalyptic number.

It is an amenable number.

23430434233 is a deficient number, since it is larger than the sum of its proper divisors (1).

23430434233 is an equidigital number, since it uses as much as digits as its factorization.

23430434233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 31.

Adding to 23430434233 its reverse (33243403432), we get a palindrome (56673837665).

The spelling of 23430434233 in words is "twenty-three billion, four hundred thirty million, four hundred thirty-four thousand, two hundred thirty-three".