2323232121 has 32 divisors (see below), whose sum is σ = 3755324160. Its totient is φ = 1247164416.

The previous prime is 2323232117. The next prime is 2323232147. The reversal of 2323232121 is 1212323232.

It is a happy number.

2323232121 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 2323232121 - 2² = 2323232117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2323232221) 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, 197415 + ... + 208851.

It is an arithmetic number, because the mean of its divisors is an integer number (117353880).

Almost surely, 2^2323232121 is an apocalyptic number.

2323232121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2323232121 is a deficient number, since it is larger than the sum of its proper divisors (1432092039).

2323232121 is a wasteful number, since it uses less digits than its factorization.

2323232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12033.

The product of its digits is 864, while the sum is 21.

The square root of 2323232121 is about 48199.9182675656. The cubic root of 2323232121 is about 1324.4356673086.

Adding to 2323232121 its reverse (1212323232), we get a palindrome (3535555353).

The spelling of 2323232121 in words is "two billion, three hundred twenty-three million, two hundred thirty-two thousand, one hundred twenty-one".