146823653 has 2 divisors, whose sum is σ = 146823654. Its totient is φ = 146823652.

The previous prime is 146823641. The next prime is 146823661. The reversal of 146823653 is 356328641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116165284 + 30658369 = 10778^2 + 5537^2 .

It is a cyclic number.

It is not a de Polignac number, because 146823653 - 2⁴ = 146823637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146823353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73411826 + 73411827.

It is an arithmetic number, because the mean of its divisors is an integer number (73411827).

Almost surely, 2^146823653 is an apocalyptic number.

It is an amenable number.

146823653 is a deficient number, since it is larger than the sum of its proper divisors (1).

146823653 is an equidigital number, since it uses as much as digits as its factorization.

146823653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The square root of 146823653 is about 12117.0810428915. The cubic root of 146823653 is about 527.5520824865.

The spelling of 146823653 in words is "one hundred forty-six million, eight hundred twenty-three thousand, six hundred fifty-three".