223406411545 has 4 divisors (see below), whose sum is σ = 268087693860. Its totient is φ = 178725129232.

The previous prime is 223406411537. The next prime is 223406411563. The reversal of 223406411545 is 545114604322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 99866112256 + 123540299289 = 316016^2 + 351483^2 .

It is a cyclic number.

It is not a de Polignac number, because 223406411545 - 2³ = 223406411537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22340641150 + ... + 22340641159.

It is an arithmetic number, because the mean of its divisors is an integer number (67021923465).

Almost surely, 2^223406411545 is an apocalyptic number.

It is an amenable number.

223406411545 is a deficient number, since it is larger than the sum of its proper divisors (44681282315).

223406411545 is an equidigital number, since it uses as much as digits as its factorization.

223406411545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44681282314.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 223406411545 in words is "two hundred twenty-three billion, four hundred six million, four hundred eleven thousand, five hundred forty-five".