23051534447213 has 4 divisors (see below), whose sum is σ = 23613766994748. Its totient is φ = 22489301899680.

The previous prime is 23051534447141. The next prime is 23051534447237. The reversal of 23051534447213 is 31274443515032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9343457683849 + 13708076763364 = 3056707^2 + 3702442^2 .

It is a cyclic number.

It is not a de Polignac number, because 23051534447213 - 2¹⁴ = 23051534430829 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 (23051534447273) 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, 281116273706 + ... + 281116273787.

It is an arithmetic number, because the mean of its divisors is an integer number (5903441748687).

Almost surely, 2^{23051534447213} is an apocalyptic number.

It is an amenable number.

23051534447213 is a deficient number, since it is larger than the sum of its proper divisors (562232547535).

23051534447213 is an equidigital number, since it uses as much as digits as its factorization.

23051534447213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562232547534.

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 23051534447213 in words is "twenty-three trillion, fifty-one billion, five hundred thirty-four million, four hundred forty-seven thousand, two hundred thirteen".