23453067389 has 2 divisors, whose sum is σ = 23453067390. Its totient is φ = 23453067388.

The previous prime is 23453067241. The next prime is 23453067467. The reversal of 23453067389 is 98376035432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15745983289 + 7707084100 = 125483^2 + 87790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23453067389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23453061389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11726533694 + 11726533695.

It is an arithmetic number, because the mean of its divisors is an integer number (11726533695).

Almost surely, 2^23453067389 is an apocalyptic number.

It is an amenable number.

23453067389 is a deficient number, since it is larger than the sum of its proper divisors (1).

23453067389 is an equidigital number, since it uses as much as digits as its factorization.

23453067389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 23453067389 in words is "twenty-three billion, four hundred fifty-three million, sixty-seven thousand, three hundred eighty-nine".