423928995 has 16 divisors (see below), whose sum is σ = 775184640. Its totient is φ = 193796064.

The previous prime is 423928993. The next prime is 423928997. The reversal of 423928995 is 599829324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (423928993) and next prime (423928997).

It is not a de Polignac number, because 423928995 - 2¹ = 423928993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423928991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2018605 + ... + 2018814.

It is an arithmetic number, because the mean of its divisors is an integer number (48449040).

Almost surely, 2^423928995 is an apocalyptic number.

423928995 is a deficient number, since it is larger than the sum of its proper divisors (351255645).

423928995 is a wasteful number, since it uses less digits than its factorization.

423928995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037434.

The product of its digits is 1399680, while the sum is 51.

The square root of 423928995 is about 20589.5360559678. The cubic root of 423928995 is about 751.2152121713.

The spelling of 423928995 in words is "four hundred twenty-three million, nine hundred twenty-eight thousand, nine hundred ninety-five".