340323437 has 2 divisors, whose sum is σ = 340323438. Its totient is φ = 340323436.

The previous prime is 340323427. The next prime is 340323443. The reversal of 340323437 is 734323043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289714441 + 50608996 = 17021^2 + 7114^2 .

It is a cyclic number.

It is not a de Polignac number, because 340323437 - 2¹⁶ = 340257901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340323427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170161718 + 170161719.

It is an arithmetic number, because the mean of its divisors is an integer number (170161719).

Almost surely, 2^340323437 is an apocalyptic number.

It is an amenable number.

340323437 is a deficient number, since it is larger than the sum of its proper divisors (1).

340323437 is an equidigital number, since it uses as much as digits as its factorization.

340323437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 29.

The square root of 340323437 is about 18447.8572468458. The cubic root of 340323437 is about 698.1744520891.

The spelling of 340323437 in words is "three hundred forty million, three hundred twenty-three thousand, four hundred thirty-seven".