23056454420213 has 4 divisors (see below), whose sum is σ = 23056684461888. Its totient is φ = 23056224378540.

The previous prime is 23056454420183. The next prime is 23056454420239. The reversal of 23056454420213 is 31202445465032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23056454420213 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 (23856454420213) 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, 114870431 + ... + 115070972.

It is an arithmetic number, because the mean of its divisors is an integer number (5764171115472).

Almost surely, 2^{23056454420213} is an apocalyptic number.

It is an amenable number.

23056454420213 is a deficient number, since it is larger than the sum of its proper divisors (230041675).

23056454420213 is a wasteful number, since it uses less digits than its factorization.

23056454420213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230041674.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 23056454420213 its reverse (31202445465032), we get a palindrome (54258899885245).

The spelling of 23056454420213 in words is "twenty-three trillion, fifty-six billion, four hundred fifty-four million, four hundred twenty thousand, two hundred thirteen".