344351453 has 2 divisors, whose sum is σ = 344351454. Its totient is φ = 344351452.

The previous prime is 344351437. The next prime is 344351461. The reversal of 344351453 is 354153443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343101529 + 1249924 = 18523^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 344351453 - 2⁴ = 344351437 is a prime.

It is a super-2 number, since 2×344351453² = 237155846366422418, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344351053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172175726 + 172175727.

It is an arithmetic number, because the mean of its divisors is an integer number (172175727).

Almost surely, 2^344351453 is an apocalyptic number.

It is an amenable number.

344351453 is a deficient number, since it is larger than the sum of its proper divisors (1).

344351453 is an equidigital number, since it uses as much as digits as its factorization.

344351453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 32.

The square root of 344351453 is about 18556.7091101844. The cubic root of 344351453 is about 700.9181509684.

The spelling of 344351453 in words is "three hundred forty-four million, three hundred fifty-one thousand, four hundred fifty-three".