423424154 has 8 divisors (see below), whose sum is σ = 635231700. Its totient is φ = 211680256.

The previous prime is 423424147. The next prime is 423424171. The reversal of 423424154 is 451424324.

It can be written as a sum of positive squares in 2 ways, for example, as 417098929 + 6325225 = 20423^2 + 2515^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7772 + ... + 30120.

Almost surely, 2^423424154 is an apocalyptic number.

423424154 is a deficient number, since it is larger than the sum of its proper divisors (211807546).

423424154 is a wasteful number, since it uses less digits than its factorization.

423424154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31824.

The product of its digits is 15360, while the sum is 29.

The square root of 423424154 is about 20577.2727541820. The cubic root of 423424154 is about 750.9168957979.

Adding to 423424154 its reverse (451424324), we get a palindrome (874848478).

The spelling of 423424154 in words is "four hundred twenty-three million, four hundred twenty-four thousand, one hundred fifty-four".