1009323153 has 8 divisors (see below), whose sum is σ = 1495293600. Its totient is φ = 672882084.

The previous prime is 1009323131. The next prime is 1009323157. The reversal of 1009323153 is 3513239001.

It is a happy number.

It is not a de Polignac number, because 1009323153 - 2¹⁰ = 1009322129 is a prime.

It is a super-2 number, since 2×1009323153² = 2037466454363722818, which 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: 37382339 = 1009323153 / (1 + 0 + 0 + 9 + 3 + 2 + 3 + 1 + 5 + 3).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1009323157) 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, 18691143 + ... + 18691196.

It is an arithmetic number, because the mean of its divisors is an integer number (186911700).

Almost surely, 2^1009323153 is an apocalyptic number.

It is an amenable number.

1009323153 is a deficient number, since it is larger than the sum of its proper divisors (485970447).

1009323153 is an equidigital number, since it uses as much as digits as its factorization.

1009323153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37382348 (or 37382342 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 1009323153 is about 31769.8466001962. The cubic root of 1009323153 is about 1003.0981094722.

The spelling of 1009323153 in words is "one billion, nine million, three hundred twenty-three thousand, one hundred fifty-three".