2123234453 has 2 divisors, whose sum is σ = 2123234454. Its totient is φ = 2123234452.

The previous prime is 2123234441. The next prime is 2123234459. The reversal of 2123234453 is 3544323212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1511809924 + 611424529 = 38882^2 + 24727^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123234453 - 2⁶ = 2123234389 is a prime.

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, 1061617226 + 1061617227.

It is an arithmetic number, because the mean of its divisors is an integer number (1061617227).

Almost surely, 2^2123234453 is an apocalyptic number.

It is an amenable number.

2123234453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123234453 is an equidigital number, since it uses as much as digits as its factorization.

2123234453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 29.

The square root of 2123234453 is about 46078.5682611776. The cubic root of 2123234453 is about 1285.2846403215.

Adding to 2123234453 its reverse (3544323212), we get a palindrome (5667557665).

The spelling of 2123234453 in words is "two billion, one hundred twenty-three million, two hundred thirty-four thousand, four hundred fifty-three".