340033423 has 2 divisors, whose sum is σ = 340033424. Its totient is φ = 340033422.

The previous prime is 340033411. The next prime is 340033429. The reversal of 340033423 is 324330043.

It is a strong prime.

It is an emirp because it is prime and its reverse (324330043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340033423 - 2¹⁷ = 339902351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340033394 and 340033403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340033429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170016711 + 170016712.

It is an arithmetic number, because the mean of its divisors is an integer number (170016712).

Almost surely, 2^340033423 is an apocalyptic number.

340033423 is a deficient number, since it is larger than the sum of its proper divisors (1).

340033423 is an equidigital number, since it uses as much as digits as its factorization.

340033423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 340033423 is about 18439.9952006501. The cubic root of 340033423 is about 697.9760742258.

Adding to 340033423 its reverse (324330043), we get a palindrome (664363466).

The spelling of 340033423 in words is "three hundred forty million, thirty-three thousand, four hundred twenty-three".