189341423 has 2 divisors, whose sum is σ = 189341424. Its totient is φ = 189341422.

The previous prime is 189341419. The next prime is 189341431. The reversal of 189341423 is 324143981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189341423 - 2² = 189341419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189341413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94670711 + 94670712.

It is an arithmetic number, because the mean of its divisors is an integer number (94670712).

Almost surely, 2^189341423 is an apocalyptic number.

189341423 is a deficient number, since it is larger than the sum of its proper divisors (1).

189341423 is an equidigital number, since it uses as much as digits as its factorization.

189341423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 189341423 is about 13760.1389164499. The cubic root of 189341423 is about 574.2247124071.

The spelling of 189341423 in words is "one hundred eighty-nine million, three hundred forty-one thousand, four hundred twenty-three".