23016722340 has 96 divisors (see below), whose sum is σ = 66313852416. Its totient is φ = 5962278400.

The previous prime is 23016722329. The next prime is 23016722347. The reversal of 23016722340 is 4322761032.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23016722298 and 23016722307.

It is not an unprimeable number, because it can be changed into a prime (23016722347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285349 + ... + 357011.

It is an arithmetic number, because the mean of its divisors is an integer number (690769296).

Almost surely, 2^23016722340 is an apocalyptic number.

23016722340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23016722340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33156926208).

23016722340 is an abundant number, since it is smaller than the sum of its proper divisors (43297130076).

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

23016722340 is a wasteful number, since it uses less digits than its factorization.

23016722340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71829 (or 71827 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The spelling of 23016722340 in words is "twenty-three billion, sixteen million, seven hundred twenty-two thousand, three hundred forty".