423456542 has 16 divisors (see below), whose sum is σ = 663368832. Its totient is φ = 202349400.

The previous prime is 423456529. The next prime is 423456577. The reversal of 423456542 is 245654324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62417 + ... + 68867.

It is an arithmetic number, because the mean of its divisors is an integer number (41460552).

Almost surely, 2^423456542 is an apocalyptic number.

423456542 is a deficient number, since it is larger than the sum of its proper divisors (239912290).

423456542 is a wasteful number, since it uses less digits than its factorization.

423456542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7903.

The product of its digits is 115200, while the sum is 35.

The square root of 423456542 is about 20578.0597238904. The cubic root of 423456542 is about 750.9360413568.

The spelling of 423456542 in words is "four hundred twenty-three million, four hundred fifty-six thousand, five hundred forty-two".