23121300213229 has 2 divisors, whose sum is σ = 23121300213230. Its totient is φ = 23121300213228.

The previous prime is 23121300213217. The next prime is 23121300213299. The reversal of 23121300213229 is 92231200312132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19671265152900 + 3450035060329 = 4435230^2 + 1857427^2 .

It is a cyclic number.

It is not a de Polignac number, because 23121300213229 - 2²⁹ = 23120763342317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23121300213229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23121300213299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560650106614 + 11560650106615.

It is an arithmetic number, because the mean of its divisors is an integer number (11560650106615).

Almost surely, 2^{23121300213229} is an apocalyptic number.

It is an amenable number.

23121300213229 is a deficient number, since it is larger than the sum of its proper divisors (1).

23121300213229 is an equidigital number, since it uses as much as digits as its factorization.

23121300213229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 23121300213229 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred million, two hundred thirteen thousand, two hundred twenty-nine".