1046551223 has 4 divisors (see below), whose sum is σ = 1046879760. Its totient is φ = 1046222688.

The previous prime is 1046551213. The next prime is 1046551249. The reversal of 1046551223 is 3221556401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1046551223 - 2²² = 1042356919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046551213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159443 + ... + 165876.

It is an arithmetic number, because the mean of its divisors is an integer number (261719940).

Almost surely, 2^1046551223 is an apocalyptic number.

1046551223 is a deficient number, since it is larger than the sum of its proper divisors (328537).

1046551223 is an equidigital number, since it uses as much as digits as its factorization.

1046551223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328536.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1046551223 is about 32350.4439382213. The cubic root of 1046551223 is about 1015.2823348464.

The spelling of 1046551223 in words is "one billion, forty-six million, five hundred fifty-one thousand, two hundred twenty-three".