214523311445405 has 8 divisors (see below), whose sum is σ = 260081870371512. Its totient is φ = 169849384731648.

The previous prime is 214523311445383. The next prime is 214523311445411. The reversal of 214523311445405 is 504544113325412.

It can be written as a sum of positive squares in 4 ways, for example, as 82147195393081 + 132376116052324 = 9063509^2 + 11505482^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214523311445405 - 2²² = 214523307251101 is a prime.

It is a super-2 number, since 2×214523311445405² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221158052552 + ... + 221158053521.

It is an arithmetic number, because the mean of its divisors is an integer number (32510233796439).

Almost surely, 2^{214523311445405} is an apocalyptic number.

It is an amenable number.

214523311445405 is a deficient number, since it is larger than the sum of its proper divisors (45558558926107).

214523311445405 is an equidigital number, since it uses as much as digits as its factorization.

214523311445405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442316106175.

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 214523311445405 in words is "two hundred fourteen trillion, five hundred twenty-three billion, three hundred eleven million, four hundred forty-five thousand, four hundred five".