223154211347 has 2 divisors, whose sum is σ = 223154211348. Its totient is φ = 223154211346.

The previous prime is 223154211257. The next prime is 223154211361. The reversal of 223154211347 is 743112451322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223154211347 - 2²² = 223150017043 is a prime.

It is a super-3 number, since 3×223154211347³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223154211377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111577105673 + 111577105674.

It is an arithmetic number, because the mean of its divisors is an integer number (111577105674).

Almost surely, 2^223154211347 is an apocalyptic number.

223154211347 is a deficient number, since it is larger than the sum of its proper divisors (1).

223154211347 is an equidigital number, since it uses as much as digits as its factorization.

223154211347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

Adding to 223154211347 its reverse (743112451322), we get a palindrome (966266662669).

The spelling of 223154211347 in words is "two hundred twenty-three billion, one hundred fifty-four million, two hundred eleven thousand, three hundred forty-seven".