23011776 has 140 divisors (see below), whose sum is σ = 71548752. Its totient is φ = 7299072.

The previous prime is 23011771. The next prime is 23011801. The reversal of 23011776 is 67711032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 119136 + ... + 119328.

Almost surely, 2^23011776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23011776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35774376).

23011776 is an abundant number, since it is smaller than the sum of its proper divisors (48536976).

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

23011776 is a wasteful number, since it uses less digits than its factorization.

23011776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 23011776 is about 4797.0590990731. The cubic root of 23011776 is about 284.4352250339.

The spelling of 23011776 in words is "twenty-three million, eleven thousand, seven hundred seventy-six".