247043924423 has 2 divisors, whose sum is σ = 247043924424. Its totient is φ = 247043924422.

The previous prime is 247043924419. The next prime is 247043924429. The reversal of 247043924423 is 324429340742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 247043924423 - 2² = 247043924419 is a prime.

It is a super-2 number, since 2×247043924423² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247043924429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123521962211 + 123521962212.

It is an arithmetic number, because the mean of its divisors is an integer number (123521962212).

Almost surely, 2^247043924423 is an apocalyptic number.

247043924423 is a deficient number, since it is larger than the sum of its proper divisors (1).

247043924423 is an equidigital number, since it uses as much as digits as its factorization.

247043924423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 44.

The spelling of 247043924423 in words is "two hundred forty-seven billion, forty-three million, nine hundred twenty-four thousand, four hundred twenty-three".