223457665415 has 4 divisors (see below), whose sum is σ = 268149198504. Its totient is φ = 178766132328.

The previous prime is 223457665339. The next prime is 223457665423. The reversal of 223457665415 is 514566754322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223457665415 - 2¹⁴ = 223457649031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22345766537 + ... + 22345766546.

It is an arithmetic number, because the mean of its divisors is an integer number (67037299626).

Almost surely, 2^223457665415 is an apocalyptic number.

223457665415 is a deficient number, since it is larger than the sum of its proper divisors (44691533089).

223457665415 is an equidigital number, since it uses as much as digits as its factorization.

223457665415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44691533088.

The product of its digits is 6048000, while the sum is 50.

The spelling of 223457665415 in words is "two hundred twenty-three billion, four hundred fifty-seven million, six hundred sixty-five thousand, four hundred fifteen".