189362531667923 has 2 divisors, whose sum is σ = 189362531667924. Its totient is φ = 189362531667922.

The previous prime is 189362531667899. The next prime is 189362531667929. The reversal of 189362531667923 is 329766135263981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189362531667923 - 2¹⁸ = 189362531405779 is a prime.

It is not a weakly prime, because it can be changed into another prime (189362531667929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94681265833961 + 94681265833962.

It is an arithmetic number, because the mean of its divisors is an integer number (94681265833962).

Almost surely, 2^{189362531667923} is an apocalyptic number.

189362531667923 is a deficient number, since it is larger than the sum of its proper divisors (1).

189362531667923 is an equidigital number, since it uses as much as digits as its factorization.

189362531667923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529079040, while the sum is 71.

The spelling of 189362531667923 in words is "one hundred eighty-nine trillion, three hundred sixty-two billion, five hundred thirty-one million, six hundred sixty-seven thousand, nine hundred twenty-three".