23551333453 has 2 divisors, whose sum is σ = 23551333454. Its totient is φ = 23551333452.

The previous prime is 23551333441. The next prime is 23551333457. The reversal of 23551333453 is 35433315532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19003449609 + 4547883844 = 137853^2 + 67438^2 .

It is a cyclic number.

It is not a de Polignac number, because 23551333453 - 2³³ = 14961398861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23551333457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11775666726 + 11775666727.

It is an arithmetic number, because the mean of its divisors is an integer number (11775666727).

Almost surely, 2^23551333453 is an apocalyptic number.

It is an amenable number.

23551333453 is a deficient number, since it is larger than the sum of its proper divisors (1).

23551333453 is an equidigital number, since it uses as much as digits as its factorization.

23551333453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 37.

Adding to 23551333453 its reverse (35433315532), we get a palindrome (58984648985).

The spelling of 23551333453 in words is "twenty-three billion, five hundred fifty-one million, three hundred thirty-three thousand, four hundred fifty-three".