1423553389 has 2 divisors, whose sum is σ = 1423553390. Its totient is φ = 1423553388.

The previous prime is 1423553371. The next prime is 1423553413. The reversal of 1423553389 is 9833553241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1332980100 + 90573289 = 36510^2 + 9517^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423553389 - 2¹³ = 1423545197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423563389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711776694 + 711776695.

It is an arithmetic number, because the mean of its divisors is an integer number (711776695).

Almost surely, 2^1423553389 is an apocalyptic number.

It is an amenable number.

1423553389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423553389 is an equidigital number, since it uses as much as digits as its factorization.

1423553389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 43.

The square root of 1423553389 is about 37730.0064802539. The cubic root of 1423553389 is about 1124.9276368928.

The spelling of 1423553389 in words is "one billion, four hundred twenty-three million, five hundred fifty-three thousand, three hundred eighty-nine".