344672623 has 2 divisors, whose sum is σ = 344672624. Its totient is φ = 344672622.

The previous prime is 344672561. The next prime is 344672651. The reversal of 344672623 is 326276443.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344672623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344672693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172336311 + 172336312.

It is an arithmetic number, because the mean of its divisors is an integer number (172336312).

Almost surely, 2^344672623 is an apocalyptic number.

344672623 is a deficient number, since it is larger than the sum of its proper divisors (1).

344672623 is an equidigital number, since it uses as much as digits as its factorization.

344672623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 37.

The square root of 344672623 is about 18565.3608367842. The cubic root of 344672623 is about 701.1359942313.

The spelling of 344672623 in words is "three hundred forty-four million, six hundred seventy-two thousand, six hundred twenty-three".