23145042343 has 8 divisors (see below), whose sum is σ = 24511053600. Its totient is φ = 21779535360.

The previous prime is 23145042329. The next prime is 23145042359. The reversal of 23145042343 is 34324054132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23145042343 - 2²¹ = 23142945191 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 (23145042643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29443 + ... + 217156.

It is an arithmetic number, because the mean of its divisors is an integer number (3063881700).

Almost surely, 2^23145042343 is an apocalyptic number.

23145042343 is a deficient number, since it is larger than the sum of its proper divisors (1366011257).

23145042343 is a wasteful number, since it uses less digits than its factorization.

23145042343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252137.

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

Adding to 23145042343 its reverse (34324054132), we get a palindrome (57469096475).

The spelling of 23145042343 in words is "twenty-three billion, one hundred forty-five million, forty-two thousand, three hundred forty-three".