47723651 has 2 divisors, whose sum is σ = 47723652. Its totient is φ = 47723650.

The previous prime is 47723639. The next prime is 47723671. The reversal of 47723651 is 15632774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47723651 - 2²² = 43529347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47723671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23861825 + 23861826.

It is an arithmetic number, because the mean of its divisors is an integer number (23861826).

Almost surely, 2^47723651 is an apocalyptic number.

47723651 is a deficient number, since it is larger than the sum of its proper divisors (1).

47723651 is an equidigital number, since it uses as much as digits as its factorization.

47723651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 47723651 is about 6908.2306707289. The cubic root of 47723651 is about 362.7253321188.

The spelling of 47723651 in words is "forty-seven million, seven hundred twenty-three thousand, six hundred fifty-one".