189670562134423 has 2 divisors, whose sum is σ = 189670562134424. Its totient is φ = 189670562134422.

The previous prime is 189670562134357. The next prime is 189670562134451. The reversal of 189670562134423 is 324431265076981.

It is a strong prime.

It is an emirp because it is prime and its reverse (324431265076981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189670562134423 - 2⁴⁵ = 154486190045591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189670562134483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94835281067211 + 94835281067212.

It is an arithmetic number, because the mean of its divisors is an integer number (94835281067212).

It is a 1-persistent number, because it is pandigital, but 2⋅189670562134423 = 379341124268846 is not.

Almost surely, 2^{189670562134423} is an apocalyptic number.

189670562134423 is a deficient number, since it is larger than the sum of its proper divisors (1).

189670562134423 is an equidigital number, since it uses as much as digits as its factorization.

189670562134423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 189670562134423 in words is "one hundred eighty-nine trillion, six hundred seventy billion, five hundred sixty-two million, one hundred thirty-four thousand, four hundred twenty-three".