23313321009 has 48 divisors (see below), whose sum is σ = 39030189120. Its totient is φ = 13273303680.

The previous prime is 23313320983. The next prime is 23313321107. The reversal of 23313321009 is 90012331332.

23313321009 is a `hidden beast` number, since 2 + 331 + 3 + 321 + 0 + 0 + 9 = 666.

It is not a de Polignac number, because 23313321009 - 2¹² = 23313316913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23313326009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3507 + ... + 215960.

It is an arithmetic number, because the mean of its divisors is an integer number (813128940).

Almost surely, 2^23313321009 is an apocalyptic number.

23313321009 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

23313321009 is a deficient number, since it is larger than the sum of its proper divisors (15716868111).

23313321009 is a wasteful number, since it uses less digits than its factorization.

23313321009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219550 (or 219547 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The spelling of 23313321009 in words is "twenty-three billion, three hundred thirteen million, three hundred twenty-one thousand, nine".