47451209623 has 2 divisors, whose sum is σ = 47451209624. Its totient is φ = 47451209622.

The previous prime is 47451209621. The next prime is 47451209671. The reversal of 47451209623 is 32690215474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47451209623 - 2¹ = 47451209621 is a prime.

Together with 47451209621, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 47451209623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47451209621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23725604811 + 23725604812.

It is an arithmetic number, because the mean of its divisors is an integer number (23725604812).

Almost surely, 2^47451209623 is an apocalyptic number.

47451209623 is a deficient number, since it is larger than the sum of its proper divisors (1).

47451209623 is an equidigital number, since it uses as much as digits as its factorization.

47451209623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 47451209623 in words is "forty-seven billion, four hundred fifty-one million, two hundred nine thousand, six hundred twenty-three".