42423003 has 12 divisors (see below), whose sum is σ = 70031728. Its totient is φ = 24241680.

The previous prime is 42422981. The next prime is 42423011. The reversal of 42423003 is 30032424.

It is not a de Polignac number, because 42423003 - 2¹³ = 42414811 is a prime.

It is a super-2 number, since 2×42423003² = 3599422367076018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42423203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336628 + ... + 336753.

Almost surely, 2^42423003 is an apocalyptic number.

42423003 is a deficient number, since it is larger than the sum of its proper divisors (27608725).

42423003 is a wasteful number, since it uses less digits than its factorization.

42423003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673394 (or 673391 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42423003 is about 6513.2943277577. The cubic root of 42423003 is about 348.7657286620.

Adding to 42423003 its reverse (30032424), we get a palindrome (72455427).

The spelling of 42423003 in words is "forty-two million, four hundred twenty-three thousand, three".