971238343 has 2 divisors, whose sum is σ = 971238344. Its totient is φ = 971238342.

The previous prime is 971238313. The next prime is 971238349. The reversal of 971238343 is 343832179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 971238343 - 2⁵ = 971238311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 971238296 and 971238305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971238349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485619171 + 485619172.

It is an arithmetic number, because the mean of its divisors is an integer number (485619172).

Almost surely, 2^971238343 is an apocalyptic number.

971238343 is a deficient number, since it is larger than the sum of its proper divisors (1).

971238343 is an equidigital number, since it uses as much as digits as its factorization.

971238343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 971238343 is about 31164.6970625418. The cubic root of 971238343 is about 990.3193687848.

The spelling of 971238343 in words is "nine hundred seventy-one million, two hundred thirty-eight thousand, three hundred forty-three".