23447003372249 has 2 divisors, whose sum is σ = 23447003372250. Its totient is φ = 23447003372248.

The previous prime is 23447003372201. The next prime is 23447003372291. The reversal of 23447003372249 is 94227330074432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23152148942224 + 294854430025 = 4811668^2 + 543005^2 .

It is a cyclic number.

It is not a de Polignac number, because 23447003372249 - 2³² = 23442708404953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23447003372197 and 23447003372206.

It is not a weakly prime, because it can be changed into another prime (23447003375249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11723501686124 + 11723501686125.

It is an arithmetic number, because the mean of its divisors is an integer number (11723501686125).

Almost surely, 2^{23447003372249} is an apocalyptic number.

It is an amenable number.

23447003372249 is a deficient number, since it is larger than the sum of its proper divisors (1).

23447003372249 is an equidigital number, since it uses as much as digits as its factorization.

23447003372249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 50.

The spelling of 23447003372249 in words is "twenty-three trillion, four hundred forty-seven billion, three million, three hundred seventy-two thousand, two hundred forty-nine".