23454669389 has 2 divisors, whose sum is σ = 23454669390. Its totient is φ = 23454669388.

The previous prime is 23454669383. The next prime is 23454669401. The reversal of 23454669389 is 98396645432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13937691364 + 9516978025 = 118058^2 + 97555^2 .

It is a cyclic number.

It is not a de Polignac number, because 23454669389 - 2¹² = 23454665293 is a prime.

It is a super-2 number, since 2×23454669389² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23454669383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11727334694 + 11727334695.

It is an arithmetic number, because the mean of its divisors is an integer number (11727334695).

Almost surely, 2^23454669389 is an apocalyptic number.

It is an amenable number.

23454669389 is a deficient number, since it is larger than the sum of its proper divisors (1).

23454669389 is an equidigital number, since it uses as much as digits as its factorization.

23454669389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33592320, while the sum is 59.

The spelling of 23454669389 in words is "twenty-three billion, four hundred fifty-four million, six hundred sixty-nine thousand, three hundred eighty-nine".