47723653 has 4 divisors (see below), whose sum is σ = 47757568. Its totient is φ = 47689740.

The previous prime is 47723651. The next prime is 47723671. The reversal of 47723653 is 35632774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35632774 = 2 ⋅17816387.

It is a cyclic number.

It is not a de Polignac number, because 47723653 - 2¹ = 47723651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47723651) 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 in 3 ways as a sum of consecutive naturals, for example, 14751 + ... + 17692.

It is an arithmetic number, because the mean of its divisors is an integer number (11939392).

Almost surely, 2^47723653 is an apocalyptic number.

It is an amenable number.

47723653 is a deficient number, since it is larger than the sum of its proper divisors (33915).

47723653 is a wasteful number, since it uses less digits than its factorization.

47723653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33914.

The product of its digits is 105840, while the sum is 37.

The square root of 47723653 is about 6908.2308154838. The cubic root of 47723653 is about 362.7253371859.

The spelling of 47723653 in words is "forty-seven million, seven hundred twenty-three thousand, six hundred fifty-three".