23133120247 has 2 divisors, whose sum is σ = 23133120248. Its totient is φ = 23133120246.

The previous prime is 23133120203. The next prime is 23133120259. The reversal of 23133120247 is 74202133132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23133120247 - 2²⁷ = 22998902519 is a prime.

It is a super-2 number, since 2×23133120247² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23133120047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566560123 + 11566560124.

It is an arithmetic number, because the mean of its divisors is an integer number (11566560124).

Almost surely, 2^23133120247 is an apocalyptic number.

23133120247 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133120247 is an equidigital number, since it uses as much as digits as its factorization.

23133120247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 23133120247 its reverse (74202133132), we get a palindrome (97335253379).

It can be divided in two parts, 23133 and 120247, that added together give a triangular number (143380 = T₅₃₅).

The spelling of 23133120247 in words is "twenty-three billion, one hundred thirty-three million, one hundred twenty thousand, two hundred forty-seven".