243233623 has 2 divisors, whose sum is σ = 243233624. Its totient is φ = 243233622.

The previous prime is 243233587. The next prime is 243233633. The reversal of 243233623 is 326332342.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243233623 - 2²⁵ = 209679191 is a prime.

It is a super-2 number, since 2×243233623² = 118325190715412258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243233591 and 243233600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243233633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121616811 + 121616812.

It is an arithmetic number, because the mean of its divisors is an integer number (121616812).

Almost surely, 2^243233623 is an apocalyptic number.

243233623 is a deficient number, since it is larger than the sum of its proper divisors (1).

243233623 is an equidigital number, since it uses as much as digits as its factorization.

243233623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 28.

The square root of 243233623 is about 15595.9489291290. The cubic root of 243233623 is about 624.2250645171.

Adding to 243233623 its reverse (326332342), we get a palindrome (569565965).

The spelling of 243233623 in words is "two hundred forty-three million, two hundred thirty-three thousand, six hundred twenty-three".