42623471 has 16 divisors (see below), whose sum is σ = 49530528. Its totient is φ = 36249600.

The previous prime is 42623447. The next prime is 42623473. The reversal of 42623471 is 17432624.

It is a cyclic number.

It is not a de Polignac number, because 42623471 - 2¹⁴ = 42607087 is a prime.

It is a super-3 number, since 3×42623471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42623473) 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, 35501 + ... + 36681.

It is an arithmetic number, because the mean of its divisors is an integer number (3095658).

Almost surely, 2^42623471 is an apocalyptic number.

42623471 is a deficient number, since it is larger than the sum of its proper divisors (6907057).

42623471 is a wasteful number, since it uses less digits than its factorization.

42623471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402.

The product of its digits is 8064, while the sum is 29.

The square root of 42623471 is about 6528.6653306782. The cubic root of 42623471 is about 349.3142245446.

The spelling of 42623471 in words is "forty-two million, six hundred twenty-three thousand, four hundred seventy-one".