189423763 has 2 divisors, whose sum is σ = 189423764. Its totient is φ = 189423762.

The previous prime is 189423761. The next prime is 189423803. The reversal of 189423763 is 367324981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189423763 - 2¹ = 189423761 is a prime.

Together with 189423761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (189423761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94711881 + 94711882.

It is an arithmetic number, because the mean of its divisors is an integer number (94711882).

Almost surely, 2^189423763 is an apocalyptic number.

189423763 is a deficient number, since it is larger than the sum of its proper divisors (1).

189423763 is an equidigital number, since it uses as much as digits as its factorization.

189423763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 189423763 is about 13763.1305668442. The cubic root of 189423763 is about 574.3079391514.

The spelling of 189423763 in words is "one hundred eighty-nine million, four hundred twenty-three thousand, seven hundred sixty-three".