2123234429 has 2 divisors, whose sum is σ = 2123234430. Its totient is φ = 2123234428.

The previous prime is 2123234417. The next prime is 2123234441. The reversal of 2123234429 is 9244323212.

It is a balanced prime because it is at equal distance from previous prime (2123234417) and next prime (2123234441).

It can be written as a sum of positive squares in only one way, i.e., 1711063225 + 412171204 = 41365^2 + 20302^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123234429 - 2²⁰ = 2122185853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123234395 and 2123234404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123234459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061617214 + 1061617215.

It is an arithmetic number, because the mean of its divisors is an integer number (1061617215).

Almost surely, 2^2123234429 is an apocalyptic number.

It is an amenable number.

2123234429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123234429 is an equidigital number, since it uses as much as digits as its factorization.

2123234429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

The square root of 2123234429 is about 46078.5680007528. The cubic root of 2123234429 is about 1285.2846354787.

The spelling of 2123234429 in words is "two billion, one hundred twenty-three million, two hundred thirty-four thousand, four hundred twenty-nine".