197546023 has 2 divisors, whose sum is σ = 197546024. Its totient is φ = 197546022.

The previous prime is 197545979. The next prime is 197546033. The reversal of 197546023 is 320645791.

It is a strong prime.

It is an emirp because it is prime and its reverse (320645791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197546023 - 2²⁵ = 163991591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197546033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98773011 + 98773012.

It is an arithmetic number, because the mean of its divisors is an integer number (98773012).

Almost surely, 2^197546023 is an apocalyptic number.

197546023 is a deficient number, since it is larger than the sum of its proper divisors (1).

197546023 is an equidigital number, since it uses as much as digits as its factorization.

197546023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 197546023 is about 14055.1066520322. The cubic root of 197546023 is about 582.4018738477.

The spelling of 197546023 in words is "one hundred ninety-seven million, five hundred forty-six thousand, twenty-three".