23330051551 has 2 divisors, whose sum is σ = 23330051552. Its totient is φ = 23330051550.

The previous prime is 23330051533. The next prime is 23330051557. The reversal of 23330051551 is 15515003332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23330051551 - 2¹¹ = 23330049503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23330051557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665025775 + 11665025776.

It is an arithmetic number, because the mean of its divisors is an integer number (11665025776).

Almost surely, 2^23330051551 is an apocalyptic number.

23330051551 is a deficient number, since it is larger than the sum of its proper divisors (1).

23330051551 is an equidigital number, since it uses as much as digits as its factorization.

23330051551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 28.

Adding to 23330051551 its reverse (15515003332), we get a palindrome (38845054883).

The spelling of 23330051551 in words is "twenty-three billion, three hundred thirty million, fifty-one thousand, five hundred fifty-one".