340251323 has 2 divisors, whose sum is σ = 340251324. Its totient is φ = 340251322.

The previous prime is 340251293. The next prime is 340251337. The reversal of 340251323 is 323152043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340251323 is a prime.

It is not a weakly prime, because it can be changed into another prime (340251343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170125661 + 170125662.

It is an arithmetic number, because the mean of its divisors is an integer number (170125662).

Almost surely, 2^340251323 is an apocalyptic number.

340251323 is a deficient number, since it is larger than the sum of its proper divisors (1).

340251323 is an equidigital number, since it uses as much as digits as its factorization.

340251323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 340251323 is about 18445.9026073543. The cubic root of 340251323 is about 698.1251345835.

The spelling of 340251323 in words is "three hundred forty million, two hundred fifty-one thousand, three hundred twenty-three".