423542516 has 12 divisors (see below), whose sum is σ = 773425632. Its totient is φ = 202563768.

The previous prime is 423542513. The next prime is 423542531. The reversal of 423542516 is 615245324.

It is a super-2 number, since 2×423542516² = 358776525719220512, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423542513) 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, 2301770 + ... + 2301953.

It is an arithmetic number, because the mean of its divisors is an integer number (64452136).

Almost surely, 2^423542516 is an apocalyptic number.

423542516 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

423542516 is a deficient number, since it is larger than the sum of its proper divisors (349883116).

423542516 is a wasteful number, since it uses less digits than its factorization.

423542516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603750 (or 4603748 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 423542516 is about 20580.1485903285. The cubic root of 423542516 is about 750.9868585404.

The spelling of 423542516 in words is "four hundred twenty-three million, five hundred forty-two thousand, five hundred sixteen".