3551123243 has 2 divisors, whose sum is σ = 3551123244. Its totient is φ = 3551123242.

The previous prime is 3551123221. The next prime is 3551123263. The reversal of 3551123243 is 3423211553.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3551123243 - 2¹⁰ = 3551122219 is a prime.

It is a super-2 number, since 2×3551123243² = 25220952573949674098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3551123263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775561621 + 1775561622.

It is an arithmetic number, because the mean of its divisors is an integer number (1775561622).

Almost surely, 2^3551123243 is an apocalyptic number.

3551123243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3551123243 is an equidigital number, since it uses as much as digits as its factorization.

3551123243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 3551123243 is about 59591.3017394317. The cubic root of 3551123243 is about 1525.6511766059.

Adding to 3551123243 its reverse (3423211553), we get a palindrome (6974334796).

The spelling of 3551123243 in words is "three billion, five hundred fifty-one million, one hundred twenty-three thousand, two hundred forty-three".