2323881 has 12 divisors (see below), whose sum is σ = 3836352. Its totient is φ = 1327896.

The previous prime is 2323877. The next prime is 2323889. The reversal of 2323881 is 1883232.

It is not a de Polignac number, because 2323881 - 2² = 2323877 is a prime.

It is a super-2 number, since 2×2323881² = 10800845804322, which contains 22 as substring.

It is a Curzon number.

2323881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2323889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18381 + ... + 18506.

It is an arithmetic number, because the mean of its divisors is an integer number (319696).

2^2323881 is an apocalyptic number.

2323881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2323881 is a deficient number, since it is larger than the sum of its proper divisors (1512471).

2323881 is a wasteful number, since it uses less digits than its factorization.

2323881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36900 (or 36897 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2323881 is about 1524.4280894814. The cubic root of 2323881 is about 132.4558960842.

The spelling of 2323881 in words is "two million, three hundred twenty-three thousand, eight hundred eighty-one".