47513623 has 16 divisors (see below), whose sum is σ = 53244000. Its totient is φ = 42281856.

The previous prime is 47513603. The next prime is 47513633. The reversal of 47513623 is 32631574.

It is not a de Polignac number, because 47513623 - 2¹³ = 47505431 is a prime.

It is a super-2 number, since 2×47513623² = 4515088741172258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47513603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93093 + ... + 93601.

It is an arithmetic number, because the mean of its divisors is an integer number (3327750).

Almost surely, 2^47513623 is an apocalyptic number.

47513623 is a deficient number, since it is larger than the sum of its proper divisors (5730377).

47513623 is an equidigital number, since it uses as much as digits as its factorization.

47513623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 545 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 47513623 is about 6893.0126214885. The cubic root of 47513623 is about 362.1924411505.

The spelling of 47513623 in words is "forty-seven million, five hundred thirteen thousand, six hundred twenty-three".