23305621247 has 2 divisors, whose sum is σ = 23305621248. Its totient is φ = 23305621246.

The previous prime is 23305621237. The next prime is 23305621253. The reversal of 23305621247 is 74212650332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23305621247 - 2⁸ = 23305620991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23305621237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11652810623 + 11652810624.

It is an arithmetic number, because the mean of its divisors is an integer number (11652810624).

Almost surely, 2^23305621247 is an apocalyptic number.

23305621247 is a deficient number, since it is larger than the sum of its proper divisors (1).

23305621247 is an equidigital number, since it uses as much as digits as its factorization.

23305621247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 23305621247 in words is "twenty-three billion, three hundred five million, six hundred twenty-one thousand, two hundred forty-seven".