21230030023213 has 8 divisors (see below), whose sum is σ = 23160304937376. Its totient is φ = 19299800473200.

The previous prime is 21230030023193. The next prime is 21230030023277. The reversal of 21230030023213 is 31232003003212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21230030023213 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 (21230030053213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10358806 + ... + 12237847.

It is an arithmetic number, because the mean of its divisors is an integer number (2895038117172).

Almost surely, 2^{21230030023213} is an apocalyptic number.

It is an amenable number.

21230030023213 is a deficient number, since it is larger than the sum of its proper divisors (1930274914163).

21230030023213 is a wasteful number, since it uses less digits than its factorization.

21230030023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22682075.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21230030023213 its reverse (31232003003212), we get a palindrome (52462033026425).

The spelling of 21230030023213 in words is "twenty-one trillion, two hundred thirty billion, thirty million, twenty-three thousand, two hundred thirteen".