23330221151 has 2 divisors, whose sum is σ = 23330221152. Its totient is φ = 23330221150.

The previous prime is 23330221147. The next prime is 23330221153. The reversal of 23330221151 is 15112203332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23330221151 - 2² = 23330221147 is a prime.

Together with 23330221153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23330221153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665110575 + 11665110576.

It is an arithmetic number, because the mean of its divisors is an integer number (11665110576).

Almost surely, 2^23330221151 is an apocalyptic number.

23330221151 is a deficient number, since it is larger than the sum of its proper divisors (1).

23330221151 is an equidigital number, since it uses as much as digits as its factorization.

23330221151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 23330221151 its reverse (15112203332), we get a palindrome (38442424483).

The spelling of 23330221151 in words is "twenty-three billion, three hundred thirty million, two hundred twenty-one thousand, one hundred fifty-one".