423515513471438 has 8 divisors (see below), whose sum is σ = 635277743790120. Its totient is φ = 211756265541400.

The previous prime is 423515513471431. The next prime is 423515513471489. The reversal of 423515513471438 is 834174315515324.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423515513471431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745242113 + ... + 745810188.

It is an arithmetic number, because the mean of its divisors is an integer number (79409717973765).

Almost surely, 2^{423515513471438} is an apocalyptic number.

423515513471438 is a deficient number, since it is larger than the sum of its proper divisors (211762230318682).

423515513471438 is a wasteful number, since it uses less digits than its factorization.

423515513471438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491194322.

The product of its digits is 24192000, while the sum is 56.

The spelling of 423515513471438 in words is "four hundred twenty-three trillion, five hundred fifteen billion, five hundred thirteen million, four hundred seventy-one thousand, four hundred thirty-eight".