38432423 has 4 divisors (see below), whose sum is σ = 39083880. Its totient is φ = 37780968.

The previous prime is 38432413. The next prime is 38432441. The reversal of 38432423 is 32423483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32423483 = 157 ⋅206519.

It is a cyclic number.

It is not a de Polignac number, because 38432423 - 2⁸ = 38432167 is a prime.

It is a super-2 number, since 2×38432423² = 2954102275301858, which contains 22 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 (38432413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325640 + ... + 325757.

It is an arithmetic number, because the mean of its divisors is an integer number (9770970).

Almost surely, 2^38432423 is an apocalyptic number.

38432423 is a deficient number, since it is larger than the sum of its proper divisors (651457).

38432423 is an equidigital number, since it uses as much as digits as its factorization.

38432423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651456.

The product of its digits is 13824, while the sum is 29.

The square root of 38432423 is about 6199.3889214986. The cubic root of 38432423 is about 337.4679929409.

The spelling of 38432423 in words is "thirty-eight million, four hundred thirty-two thousand, four hundred twenty-three".