23077881 has 18 divisors (see below), whose sum is σ = 34535150. Its totient is φ = 14849856.

The previous prime is 23077861. The next prime is 23077903. The reversal of 23077881 is 18877032.

It can be written as a sum of positive squares in 3 ways, for example, as 837225 + 22240656 = 915^2 + 4716^2 .

It is not a de Polignac number, because 23077881 - 2⁵ = 23077849 is a prime.

It is a super-3 number, since 3×23077881³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23077841) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6045 + ... + 9093.

Almost surely, 2^23077881 is an apocalyptic number.

It is an amenable number.

23077881 is a deficient number, since it is larger than the sum of its proper divisors (11457269).

23077881 is a wasteful number, since it uses less digits than its factorization.

23077881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113 (or 3081 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 23077881 is about 4803.9443169129. The cubic root of 23077881 is about 284.7073265114.

The spelling of 23077881 in words is "twenty-three million, seventy-seven thousand, eight hundred eighty-one".