1089743223 has 24 divisors (see below), whose sum is σ = 1513865808. Its totient is φ = 696864000.

The previous prime is 1089743219. The next prime is 1089743257. The reversal of 1089743223 is 3223479801.

It is not a de Polignac number, because 1089743223 - 2² = 1089743219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089741223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456493 + ... + 458873.

It is an arithmetic number, because the mean of its divisors is an integer number (63077742).

Almost surely, 2^1089743223 is an apocalyptic number.

1089743223 is a deficient number, since it is larger than the sum of its proper divisors (424122585).

1089743223 is an equidigital number, since it uses as much as digits as its factorization.

1089743223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547 (or 2486 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1089743223 is about 33011.2590338509. The cubic root of 1089743223 is about 1029.0616467339.

The spelling of 1089743223 in words is "one billion, eighty-nine million, seven hundred forty-three thousand, two hundred twenty-three".