23530476164989 has 2 divisors, whose sum is σ = 23530476164990. Its totient is φ = 23530476164988.

The previous prime is 23530476164957. The next prime is 23530476165029. The reversal of 23530476164989 is 98946167403532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23360498892900 + 169977272089 = 4833270^2 + 412283^2 .

It is a cyclic number.

It is not a de Polignac number, because 23530476164989 - 2⁵ = 23530476164957 is a prime.

It is a super-2 number, since 2×23530476164989² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23530476161989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11765238082494 + 11765238082495.

It is an arithmetic number, because the mean of its divisors is an integer number (11765238082495).

It is a 1-persistent number, because it is pandigital, but 2⋅23530476164989 = 47060952329978 is not.

Almost surely, 2^{23530476164989} is an apocalyptic number.

It is an amenable number.

23530476164989 is a deficient number, since it is larger than the sum of its proper divisors (1).

23530476164989 is an equidigital number, since it uses as much as digits as its factorization.

23530476164989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235146240, while the sum is 67.

The spelling of 23530476164989 in words is "twenty-three trillion, five hundred thirty billion, four hundred seventy-six million, one hundred sixty-four thousand, nine hundred eighty-nine".