355494823 has 2 divisors, whose sum is σ = 355494824. Its totient is φ = 355494822.

The previous prime is 355494809. The next prime is 355494827. The reversal of 355494823 is 328494553.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355494823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 355494823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355494827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177747411 + 177747412.

It is an arithmetic number, because the mean of its divisors is an integer number (177747412).

Almost surely, 2^355494823 is an apocalyptic number.

355494823 is a deficient number, since it is larger than the sum of its proper divisors (1).

355494823 is an equidigital number, since it uses as much as digits as its factorization.

355494823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 43.

The square root of 355494823 is about 18854.5703477963. The cubic root of 355494823 is about 708.3987075933.

The spelling of 355494823 in words is "three hundred fifty-five million, four hundred ninety-four thousand, eight hundred twenty-three".