42623479 has 8 divisors (see below), whose sum is σ = 45031040. Its totient is φ = 40232376.

The previous prime is 42623473. The next prime is 42623507. The reversal of 42623479 is 97432624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42623479 - 2⁵ = 42623447 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 (42623473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414 + ... + 9340.

It is an arithmetic number, because the mean of its divisors is an integer number (5628880).

Almost surely, 2^42623479 is an apocalyptic number.

42623479 is a deficient number, since it is larger than the sum of its proper divisors (2407561).

42623479 is a wasteful number, since it uses less digits than its factorization.

42623479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8229.

The product of its digits is 72576, while the sum is 37.

The square root of 42623479 is about 6528.6659433609. The cubic root of 42623479 is about 349.3142463989.

The spelling of 42623479 in words is "forty-two million, six hundred twenty-three thousand, four hundred seventy-nine".