340623337 has 2 divisors, whose sum is σ = 340623338. Its totient is φ = 340623336.

The previous prime is 340623331. The next prime is 340623383. The reversal of 340623337 is 733326043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257795136 + 82828201 = 16056^2 + 9101^2 .

It is a cyclic number.

It is not a de Polignac number, because 340623337 - 2²⁷ = 206405609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340623299 and 340623308.

It is not a weakly prime, because it can be changed into another prime (340623331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170311668 + 170311669.

It is an arithmetic number, because the mean of its divisors is an integer number (170311669).

Almost surely, 2^340623337 is an apocalyptic number.

It is an amenable number.

340623337 is a deficient number, since it is larger than the sum of its proper divisors (1).

340623337 is an equidigital number, since it uses as much as digits as its factorization.

340623337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 31.

The square root of 340623337 is about 18455.9837722079. The cubic root of 340623337 is about 698.3794737650.

It can be divided in two parts, 3406233 and 37, that multiplied together give a palindrome (126030621).

The spelling of 340623337 in words is "three hundred forty million, six hundred twenty-three thousand, three hundred thirty-seven".