23021311032213 has 32 divisors (see below), whose sum is σ = 34151466918912. Its totient is φ = 13698352281600.

The previous prime is 23021311032211. The next prime is 23021311032259. The reversal of 23021311032213 is 31223011312032.

It is not a de Polignac number, because 23021311032213 - 2¹ = 23021311032211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021311032211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6633820 + ... + 9489477.

It is an arithmetic number, because the mean of its divisors is an integer number (1067233341216).

Almost surely, 2^{23021311032213} is an apocalyptic number.

It is an amenable number.

23021311032213 is a deficient number, since it is larger than the sum of its proper divisors (11130155886699).

23021311032213 is a wasteful number, since it uses less digits than its factorization.

23021311032213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16124525.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 23021311032213 its reverse (31223011312032), we get a palindrome (54244322344245).

The spelling of 23021311032213 in words is "twenty-three trillion, twenty-one billion, three hundred eleven million, thirty-two thousand, two hundred thirteen".