23443234453 has 2 divisors, whose sum is σ = 23443234454. Its totient is φ = 23443234452.

The previous prime is 23443234411. The next prime is 23443234469. The reversal of 23443234453 is 35443234432.

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., 21299359249 + 2143875204 = 145943^2 + 46302^2 .

It is a cyclic number.

It is not a de Polignac number, because 23443234453 - 2²¹ = 23441137301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23443234483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721617226 + 11721617227.

It is an arithmetic number, because the mean of its divisors is an integer number (11721617227).

Almost surely, 2^23443234453 is an apocalyptic number.

It is an amenable number.

23443234453 is a deficient number, since it is larger than the sum of its proper divisors (1).

23443234453 is an equidigital number, since it uses as much as digits as its factorization.

23443234453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 37.

Adding to 23443234453 its reverse (35443234432), we get a palindrome (58886468885).

The spelling of 23443234453 in words is "twenty-three billion, four hundred forty-three million, two hundred thirty-four thousand, four hundred fifty-three".