23030021689529 has 2 divisors, whose sum is σ = 23030021689530. Its totient is φ = 23030021689528.

The previous prime is 23030021689517. The next prime is 23030021689721. The reversal of 23030021689529 is 92598612003032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22910390790400 + 119630899129 = 4786480^2 + 345877^2 .

It is a cyclic number.

It is not a de Polignac number, because 23030021689529 - 2¹⁶ = 23030021623993 is a prime.

It is not a weakly prime, because it can be changed into another prime (23030021689729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515010844764 + 11515010844765.

It is an arithmetic number, because the mean of its divisors is an integer number (11515010844765).

Almost surely, 2^{23030021689529} is an apocalyptic number.

It is an amenable number.

23030021689529 is a deficient number, since it is larger than the sum of its proper divisors (1).

23030021689529 is an equidigital number, since it uses as much as digits as its factorization.

23030021689529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 23030021689529 in words is "twenty-three trillion, thirty billion, twenty-one million, six hundred eighty-nine thousand, five hundred twenty-nine".