23145313343 has 4 divisors (see below), whose sum is σ = 23683576488. Its totient is φ = 22607050200.

The previous prime is 23145313319. The next prime is 23145313349. The reversal of 23145313343 is 34331354132.

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 23145313343 - 2¹⁰ = 23145312319 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 (23145313349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269131508 + ... + 269131593.

It is an arithmetic number, because the mean of its divisors is an integer number (5920894122).

Almost surely, 2^23145313343 is an apocalyptic number.

23145313343 is a deficient number, since it is larger than the sum of its proper divisors (538263145).

23145313343 is an equidigital number, since it uses as much as digits as its factorization.

23145313343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538263144.

The product of its digits is 38880, while the sum is 32.

Adding to 23145313343 its reverse (34331354132), we get a palindrome (57476667475).

The spelling of 23145313343 in words is "twenty-three billion, one hundred forty-five million, three hundred thirteen thousand, three hundred forty-three".