1009656223 has 8 divisors (see below), whose sum is σ = 1018388480. Its totient is φ = 1000936440.

The previous prime is 1009656187. The next prime is 1009656247. The reversal of 1009656223 is 3226569001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1009656223 - 2⁹ = 1009655711 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 (1009656253) 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, 236518 + ... + 240748.

It is an arithmetic number, because the mean of its divisors is an integer number (127298560).

Almost surely, 2^1009656223 is an apocalyptic number.

1009656223 is a deficient number, since it is larger than the sum of its proper divisors (8732257).

1009656223 is a wasteful number, since it uses less digits than its factorization.

1009656223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 1009656223 is about 31775.0880879975. The cubic root of 1009656223 is about 1003.2084359296.

The spelling of 1009656223 in words is "one billion, nine million, six hundred fifty-six thousand, two hundred twenty-three".