23055553334389 has 2 divisors, whose sum is σ = 23055553334390. Its totient is φ = 23055553334388.

The previous prime is 23055553334267. The next prime is 23055553334477. The reversal of 23055553334389 is 98343335555032.

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., 23053345932100 + 2207402289 = 4801390^2 + 46983^2 .

It is a cyclic number.

It is not a de Polignac number, because 23055553334389 - 2²⁷ = 23055419116661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23055553332389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11527776667194 + 11527776667195.

It is an arithmetic number, because the mean of its divisors is an integer number (11527776667195).

Almost surely, 2^{23055553334389} is an apocalyptic number.

It is an amenable number.

23055553334389 is a deficient number, since it is larger than the sum of its proper divisors (1).

23055553334389 is an equidigital number, since it uses as much as digits as its factorization.

23055553334389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480000, while the sum is 58.

The spelling of 23055553334389 in words is "twenty-three trillion, fifty-five billion, five hundred fifty-three million, three hundred thirty-four thousand, three hundred eighty-nine".