23211033247 has 2 divisors, whose sum is σ = 23211033248. Its totient is φ = 23211033246.

The previous prime is 23211033233. The next prime is 23211033347. The reversal of 23211033247 is 74233011232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23211033247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23211033047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605516623 + 11605516624.

It is an arithmetic number, because the mean of its divisors is an integer number (11605516624).

Almost surely, 2^23211033247 is an apocalyptic number.

23211033247 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211033247 is an equidigital number, since it uses as much as digits as its factorization.

23211033247 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 23211033247 its reverse (74233011232), we get a palindrome (97444044479).

The spelling of 23211033247 in words is "twenty-three billion, two hundred eleven million, thirty-three thousand, two hundred forty-seven".