23011211322 has 128 divisors (see below), whose sum is σ = 59144878080. Its totient is φ = 6554177280.

The previous prime is 23011211303. The next prime is 23011211411. The reversal of 23011211322 is 22311211032.

23011211322 is a `hidden beast` number, since 230 + 112 + 1 + 1 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23011211295 and 23011211304.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13803133 + ... + 13804799.

It is an arithmetic number, because the mean of its divisors is an integer number (462069360).

Almost surely, 2^23011211322 is an apocalyptic number.

23011211322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23011211322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29572439040).

23011211322 is an abundant number, since it is smaller than the sum of its proper divisors (36133666758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23011211322 is a wasteful number, since it uses less digits than its factorization.

23011211322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073 (or 3067 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23011211322 its reverse (22311211032), we get a palindrome (45322422354).

The spelling of 23011211322 in words is "twenty-three billion, eleven million, two hundred eleven thousand, three hundred twenty-two".