340033123 has 2 divisors, whose sum is σ = 340033124. Its totient is φ = 340033122.

The previous prime is 340033117. The next prime is 340033147. The reversal of 340033123 is 321330043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340033123 - 2¹⁷ = 339902051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340033123.

It is not a weakly prime, because it can be changed into another prime (340033103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170016561 + 170016562.

It is an arithmetic number, because the mean of its divisors is an integer number (170016562).

Almost surely, 2^340033123 is an apocalyptic number.

340033123 is a deficient number, since it is larger than the sum of its proper divisors (1).

340033123 is an equidigital number, since it uses as much as digits as its factorization.

340033123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 340033123 is about 18439.9870661560. The cubic root of 340033123 is about 697.9758689588.

Adding to 340033123 its reverse (321330043), we get a palindrome (661363166).

The spelling of 340033123 in words is "three hundred forty million, thirty-three thousand, one hundred twenty-three".