243310252423 has 4 divisors (see below), whose sum is σ = 278068859920. Its totient is φ = 208551644928.

The previous prime is 243310252411. The next prime is 243310252463. The reversal of 243310252423 is 324252013342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243310252423 - 2²⁵ = 243276697991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243310252463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17379303738 + ... + 17379303751.

It is an arithmetic number, because the mean of its divisors is an integer number (69517214980).

Almost surely, 2^243310252423 is an apocalyptic number.

243310252423 is a deficient number, since it is larger than the sum of its proper divisors (34758607497).

243310252423 is an equidigital number, since it uses as much as digits as its factorization.

243310252423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34758607496.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 243310252423 its reverse (324252013342), we get a palindrome (567562265765).

The spelling of 243310252423 in words is "two hundred forty-three billion, three hundred ten million, two hundred fifty-two thousand, four hundred twenty-three".