423972526 has 8 divisors (see below), whose sum is σ = 638031240. Its totient is φ = 211295448.

The previous prime is 423972499. The next prime is 423972541. The reversal of 423972526 is 625279324.

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

It is a congruent number.

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, 344641 + ... + 345868.

It is an arithmetic number, because the mean of its divisors is an integer number (79753905).

Almost surely, 2^423972526 is an apocalyptic number.

423972526 is a deficient number, since it is larger than the sum of its proper divisors (214058714).

423972526 is a wasteful number, since it uses less digits than its factorization.

423972526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690818.

The product of its digits is 181440, while the sum is 40.

The square root of 423972526 is about 20590.5931434721. The cubic root of 423972526 is about 751.2409240480.

The spelling of 423972526 in words is "four hundred twenty-three million, nine hundred seventy-two thousand, five hundred twenty-six".