340550123 has 2 divisors, whose sum is σ = 340550124. Its totient is φ = 340550122.

The previous prime is 340550101. The next prime is 340550131. The reversal of 340550123 is 321055043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340550123 - 2²² = 336355819 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (340550323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170275061 + 170275062.

It is an arithmetic number, because the mean of its divisors is an integer number (170275062).

Almost surely, 2^340550123 is an apocalyptic number.

340550123 is a deficient number, since it is larger than the sum of its proper divisors (1).

340550123 is an equidigital number, since it uses as much as digits as its factorization.

340550123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 340550123 is about 18454.0001896608. Note that the first 3 decimals coincide. The cubic root of 340550123 is about 698.3294333312.

The spelling of 340550123 in words is "three hundred forty million, five hundred fifty thousand, one hundred twenty-three".