23031222309 has 24 divisors (see below), whose sum is σ = 33388992000. Its totient is φ = 15298066080.

The previous prime is 23031222287. The next prime is 23031222317. The reversal of 23031222309 is 90322213032.

23031222309 is a `hidden beast` number, since 2 + 303 + 122 + 230 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-23031222309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031223309) 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, 5874852 + ... + 5878770.

It is an arithmetic number, because the mean of its divisors is an integer number (1391208000).

Almost surely, 2^23031222309 is an apocalyptic number.

It is an amenable number.

23031222309 is a deficient number, since it is larger than the sum of its proper divisors (10357769691).

23031222309 is a wasteful number, since it uses less digits than its factorization.

23031222309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145 (or 6142 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The spelling of 23031222309 in words is "twenty-three billion, thirty-one million, two hundred twenty-two thousand, three hundred nine".