146887823 has 2 divisors, whose sum is σ = 146887824. Its totient is φ = 146887822.

The previous prime is 146887799. The next prime is 146887843. The reversal of 146887823 is 328788641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146887823 - 2²² = 142693519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146887843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73443911 + 73443912.

It is an arithmetic number, because the mean of its divisors is an integer number (73443912).

Almost surely, 2^146887823 is an apocalyptic number.

146887823 is a deficient number, since it is larger than the sum of its proper divisors (1).

146887823 is an equidigital number, since it uses as much as digits as its factorization.

146887823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 47.

The square root of 146887823 is about 12119.7286685800. The cubic root of 146887823 is about 527.6289277036.

The spelling of 146887823 in words is "one hundred forty-six million, eight hundred eighty-seven thousand, eight hundred twenty-three".