1055143223 has 2 divisors, whose sum is σ = 1055143224. Its totient is φ = 1055143222.

The previous prime is 1055143211. The next prime is 1055143237. The reversal of 1055143223 is 3223415501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1055143223 - 2⁸ = 1055142967 is a prime.

It is a super-2 number, since 2×1055143223² = 2226654442085655458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055143192 and 1055143201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055140223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527571611 + 527571612.

It is an arithmetic number, because the mean of its divisors is an integer number (527571612).

Almost surely, 2^1055143223 is an apocalyptic number.

1055143223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055143223 is an equidigital number, since it uses as much as digits as its factorization.

1055143223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1055143223 is about 32482.9681987345. The cubic root of 1055143223 is about 1018.0531951905.

Adding to 1055143223 its reverse (3223415501), we get a palindrome (4278558724).

The spelling of 1055143223 in words is "one billion, fifty-five million, one hundred forty-three thousand, two hundred twenty-three".