423510515144 has 16 divisors (see below), whose sum is σ = 794105892720. Its totient is φ = 211748943760.

The previous prime is 423510515137. The next prime is 423510515149. The reversal of 423510515144 is 441515015324.

It is a happy number.

It is a super-2 number, since 2×423510515144² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423510515149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497822 + ... + 1046349.

It is an arithmetic number, because the mean of its divisors is an integer number (49631618295).

Almost surely, 2^423510515144 is an apocalyptic number.

It is an amenable number.

423510515144 is a deficient number, since it is larger than the sum of its proper divisors (370595377576).

423510515144 is a wasteful number, since it uses less digits than its factorization.

423510515144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578460 (or 1578456 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 423510515144 in words is "four hundred twenty-three billion, five hundred ten million, five hundred fifteen thousand, one hundred forty-four".