23023553389 has 2 divisors, whose sum is σ = 23023553390. Its totient is φ = 23023553388.

The previous prime is 23023553387. The next prime is 23023553429. The reversal of 23023553389 is 98335532032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22881705289 + 141848100 = 151267^2 + 11910^2 .

It is a cyclic number.

It is not a de Polignac number, because 23023553389 - 2¹ = 23023553387 is a prime.

It is a super-2 number, since 2×23023553389² (a number of 22 digits) contains 22 as substring.

Together with 23023553387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23023553387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11511776694 + 11511776695.

It is an arithmetic number, because the mean of its divisors is an integer number (11511776695).

Almost surely, 2^23023553389 is an apocalyptic number.

It is an amenable number.

23023553389 is a deficient number, since it is larger than the sum of its proper divisors (1).

23023553389 is an equidigital number, since it uses as much as digits as its factorization.

23023553389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 23023553389 in words is "twenty-three billion, twenty-three million, five hundred fifty-three thousand, three hundred eighty-nine".