345523753 has 2 divisors, whose sum is σ = 345523754. Its totient is φ = 345523752.

The previous prime is 345523747. The next prime is 345523817. The reversal of 345523753 is 357325543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338081769 + 7441984 = 18387^2 + 2728^2 .

It is an emirp because it is prime and its reverse (357325543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345523753 - 2¹³ = 345515561 is a prime.

It is not a weakly prime, because it can be changed into another prime (345523153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172761876 + 172761877.

It is an arithmetic number, because the mean of its divisors is an integer number (172761877).

Almost surely, 2^345523753 is an apocalyptic number.

It is an amenable number.

345523753 is a deficient number, since it is larger than the sum of its proper divisors (1).

345523753 is an equidigital number, since it uses as much as digits as its factorization.

345523753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 37.

The square root of 345523753 is about 18588.2692308886. The cubic root of 345523753 is about 701.7126451391.

The spelling of 345523753 in words is "three hundred forty-five million, five hundred twenty-three thousand, seven hundred fifty-three".