423542698 has 4 divisors (see below), whose sum is σ = 635314050. Its totient is φ = 211771348.

The previous prime is 423542689. The next prime is 423542719. The reversal of 423542698 is 896245324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 353703249 + 69839449 = 18807^2 + 8357^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 105885673 + ... + 105885676.

Almost surely, 2^423542698 is an apocalyptic number.

423542698 is a deficient number, since it is larger than the sum of its proper divisors (211771352).

423542698 is a wasteful number, since it uses less digits than its factorization.

423542698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211771351.

The product of its digits is 414720, while the sum is 43.

The square root of 423542698 is about 20580.1530120648. The cubic root of 423542698 is about 750.9869661090.

The spelling of 423542698 in words is "four hundred twenty-three million, five hundred forty-two thousand, six hundred ninety-eight".