23415432134243 has 4 divisors (see below), whose sum is σ = 23711830009440. Its totient is φ = 23119034259048.

The previous prime is 23415432134189. The next prime is 23415432134267. The reversal of 23415432134243 is 34243123451432.

It is a happy number.

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 23415432134243 - 2¹⁴ = 23415432117859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23415432134243.

It is not an unprimeable number, because it can be changed into a prime (23415432134293) 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, 148198937480 + ... + 148198937637.

It is an arithmetic number, because the mean of its divisors is an integer number (5927957502360).

Almost surely, 2^{23415432134243} is an apocalyptic number.

23415432134243 is a deficient number, since it is larger than the sum of its proper divisors (296397875197).

23415432134243 is an equidigital number, since it uses as much as digits as its factorization.

23415432134243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296397875196.

The product of its digits is 829440, while the sum is 41.

Adding to 23415432134243 its reverse (34243123451432), we get a palindrome (57658555585675).

The spelling of 23415432134243 in words is "twenty-three trillion, four hundred fifteen billion, four hundred thirty-two million, one hundred thirty-four thousand, two hundred forty-three".