423906926 has 4 divisors (see below), whose sum is σ = 635860392. Its totient is φ = 211953462.

The previous prime is 423906893. The next prime is 423906941. The reversal of 423906926 is 629609324.

423906926 = 10293² + 10294² + ... + 10296².

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105976730 + ... + 105976733.

It is an arithmetic number, because the mean of its divisors is an integer number (158965098).

Almost surely, 2^423906926 is an apocalyptic number.

423906926 is a deficient number, since it is larger than the sum of its proper divisors (211953466).

423906926 is a wasteful number, since it uses less digits than its factorization.

423906926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211953465.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 423906926 is about 20589.0001214241. Note that the first 3 decimals coincide. The cubic root of 423906926 is about 751.2021762963.

The spelling of 423906926 in words is "four hundred twenty-three million, nine hundred six thousand, nine hundred twenty-six".