23015021343 has 4 divisors (see below), whose sum is σ = 30686695128. Its totient is φ = 15343347560.

The previous prime is 23015021321. The next prime is 23015021363. The reversal of 23015021343 is 34312051032.

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 23015021343 - 2¹⁶ = 23014955807 is a prime.

It is a super-3 number, since 3×23015021343³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23015021363) 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, 3835836888 + ... + 3835836893.

It is an arithmetic number, because the mean of its divisors is an integer number (7671673782).

Almost surely, 2^23015021343 is an apocalyptic number.

23015021343 is a deficient number, since it is larger than the sum of its proper divisors (7671673785).

23015021343 is an equidigital number, since it uses as much as digits as its factorization.

23015021343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671673784.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 23015021343 its reverse (34312051032), we get a palindrome (57327072375).

The spelling of 23015021343 in words is "twenty-three billion, fifteen million, twenty-one thousand, three hundred forty-three".