1089554323 has 24 divisors (see below), whose sum is σ = 1291116240. Its totient is φ = 911439360.

The previous prime is 1089554311. The next prime is 1089554353. The reversal of 1089554323 is 3234559801.

It is not a de Polignac number, because 1089554323 - 2⁹ = 1089553811 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 (1089554353) 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, 759615 + ... + 761047.

It is an arithmetic number, because the mean of its divisors is an integer number (53796510).

Almost surely, 2^1089554323 is an apocalyptic number.

1089554323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1089554323 is a deficient number, since it is larger than the sum of its proper divisors (201561917).

1089554323 is a wasteful number, since it uses less digits than its factorization.

1089554323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879 (or 1866 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 1089554323 is about 33008.3977648113. The cubic root of 1089554323 is about 1029.0021828853.

The spelling of 1089554323 in words is "one billion, eighty-nine million, five hundred fifty-four thousand, three hundred twenty-three".