197536838423 has 2 divisors, whose sum is σ = 197536838424. Its totient is φ = 197536838422.

The previous prime is 197536838399. The next prime is 197536838441. The reversal of 197536838423 is 324838635791.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 197536838423 - 2¹⁴ = 197536822039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197536838483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98768419211 + 98768419212.

It is an arithmetic number, because the mean of its divisors is an integer number (98768419212).

Almost surely, 2^197536838423 is an apocalyptic number.

197536838423 is a deficient number, since it is larger than the sum of its proper divisors (1).

197536838423 is an equidigital number, since it uses as much as digits as its factorization.

197536838423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 59.

The spelling of 197536838423 in words is "one hundred ninety-seven billion, five hundred thirty-six million, eight hundred thirty-eight thousand, four hundred twenty-three".