23031222287 has 2 divisors, whose sum is σ = 23031222288. Its totient is φ = 23031222286.

The previous prime is 23031222259. The next prime is 23031222317. The reversal of 23031222287 is 78222213032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23031222287 - 2⁸ = 23031222031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23031222187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515611143 + 11515611144.

It is an arithmetic number, because the mean of its divisors is an integer number (11515611144).

Almost surely, 2^23031222287 is an apocalyptic number.

23031222287 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031222287 is an equidigital number, since it uses as much as digits as its factorization.

23031222287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 23031222287 in words is "twenty-three billion, thirty-one million, two hundred twenty-two thousand, two hundred eighty-seven".