10551404223 has 8 divisors (see below), whose sum is σ = 15631710000. Its totient is φ = 7034269464.

The previous prime is 10551404207. The next prime is 10551404233. The reversal of 10551404223 is 32240415501.

10551404223 is a `hidden beast` number, since 10 + 551 + 40 + 42 + 23 = 666.

It is not a de Polignac number, because 10551404223 - 2⁴ = 10551404207 is a prime.

It is a super-2 number, since 2×10551404223² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 390792749 = 10551404223 / (1 + 0 + 5 + 5 + 1 + 4 + 0 + 4 + 2 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10551404203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195396348 + ... + 195396401.

It is an arithmetic number, because the mean of its divisors is an integer number (1953963750).

Almost surely, 2^10551404223 is an apocalyptic number.

10551404223 is a deficient number, since it is larger than the sum of its proper divisors (5080305777).

10551404223 is an equidigital number, since it uses as much as digits as its factorization.

10551404223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390792758 (or 390792752 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 10551404223 its reverse (32240415501), we get a palindrome (42791819724).

The spelling of 10551404223 in words is "ten billion, five hundred fifty-one million, four hundred four thousand, two hundred twenty-three".