423354445 has 32 divisors (see below), whose sum is σ = 551577600. Its totient is φ = 311013120.

The previous prime is 423354433. The next prime is 423354473. The reversal of 423354445 is 544453324.

It is not a de Polignac number, because 423354445 - 2⁵ = 423354413 is a prime.

It is a super-2 number, since 2×423354445² = 358457972202516050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423354445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530787 + ... + 531583.

It is an arithmetic number, because the mean of its divisors is an integer number (17236800).

Almost surely, 2^423354445 is an apocalyptic number.

It is an amenable number.

423354445 is a deficient number, since it is larger than the sum of its proper divisors (128223155).

423354445 is a wasteful number, since it uses less digits than its factorization.

423354445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005.

The product of its digits is 115200, while the sum is 34.

The square root of 423354445 is about 20575.5788496946. The cubic root of 423354445 is about 750.8756853172.

The spelling of 423354445 in words is "four hundred twenty-three million, three hundred fifty-four thousand, four hundred forty-five".