2123424331 has 16 divisors (see below), whose sum is σ = 2564352000. Its totient is φ = 1718896608.

The previous prime is 2123424311. The next prime is 2123424349. The reversal of 2123424331 is 1334243212.

It is a cyclic number.

It is not a de Polignac number, because 2123424331 - 2⁷ = 2123424203 is a prime.

It is a super-2 number, since 2×2123424331² = 9017861778965595122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123424296 and 2123424305.

It is not an unprimeable number, because it can be changed into a prime (2123424301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70756 + ... + 96193.

It is an arithmetic number, because the mean of its divisors is an integer number (160272000).

Almost surely, 2^2123424331 is an apocalyptic number.

2123424331 is a deficient number, since it is larger than the sum of its proper divisors (440927669).

2123424331 is a wasteful number, since it uses less digits than its factorization.

2123424331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167058.

The product of its digits is 3456, while the sum is 25.

The square root of 2123424331 is about 46080.6285872925. The cubic root of 2123424331 is about 1285.3229529380.

Adding to 2123424331 its reverse (1334243212), we get a palindrome (3457667543).

The spelling of 2123424331 in words is "two billion, one hundred twenty-three million, four hundred twenty-four thousand, three hundred thirty-one".