340916123 has 2 divisors, whose sum is σ = 340916124. Its totient is φ = 340916122.

The previous prime is 340916111. The next prime is 340916131. The reversal of 340916123 is 321619043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340916123 - 2¹⁴ = 340899739 is a prime.

It is a super-2 number, since 2×340916123² = 232447605842702258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340916423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170458061 + 170458062.

It is an arithmetic number, because the mean of its divisors is an integer number (170458062).

Almost surely, 2^340916123 is an apocalyptic number.

340916123 is a deficient number, since it is larger than the sum of its proper divisors (1).

340916123 is an equidigital number, since it uses as much as digits as its factorization.

340916123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 340916123 is about 18463.9140758399. The cubic root of 340916123 is about 698.5795160131.

The spelling of 340916123 in words is "three hundred forty million, nine hundred sixteen thousand, one hundred twenty-three".