1055543223 has 16 divisors (see below), whose sum is σ = 1624375296. Its totient is φ = 597194400.

The previous prime is 1055543221. The next prime is 1055543227. The reversal of 1055543223 is 3223455501.

It is not a de Polignac number, because 1055543223 - 2¹ = 1055543221 is a prime.

It is a super-2 number, since 2×1055543223² = 2228342991242455458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055543221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246711 + ... + 250952.

It is an arithmetic number, because the mean of its divisors is an integer number (101523456).

Almost surely, 2^1055543223 is an apocalyptic number.

1055543223 is a deficient number, since it is larger than the sum of its proper divisors (568832073).

1055543223 is a wasteful number, since it uses less digits than its factorization.

1055543223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497774.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1055543223 is about 32489.1246881168. The cubic root of 1055543223 is about 1018.1818253839.

Adding to 1055543223 its reverse (3223455501), we get a palindrome (4278998724).

The spelling of 1055543223 in words is "one billion, fifty-five million, five hundred forty-three thousand, two hundred twenty-three".