223115660347754 has 4 divisors (see below), whose sum is σ = 334673490521634. Its totient is φ = 111557830173876.

The previous prime is 223115660347739. The next prime is 223115660347763. The reversal of 223115660347754 is 457743066511322.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 158954679244729 + 64160981103025 = 12607723^2 + 8010055^2 .

It is a super-3 number, since 3×223115660347754³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223115660347754.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55778915086937 + ... + 55778915086940.

Almost surely, 2^{223115660347754} is an apocalyptic number.

223115660347754 is a deficient number, since it is larger than the sum of its proper divisors (111557830173880).

223115660347754 is a wasteful number, since it uses less digits than its factorization.

223115660347754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111557830173879.

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 223115660347754 in words is "two hundred twenty-three trillion, one hundred fifteen billion, six hundred sixty million, three hundred forty-seven thousand, seven hundred fifty-four".