423847880090 has 16 divisors (see below), whose sum is σ = 763317664200. Its totient is φ = 169452156480.

The previous prime is 423847880069. The next prime is 423847880101. The reversal of 423847880090 is 90088748324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 268808030089 + 155039850001 = 518467^2 + 393751^2 .

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, 10853981 + ... + 10892960.

Almost surely, 2^423847880090 is an apocalyptic number.

423847880090 is a deficient number, since it is larger than the sum of its proper divisors (339469784110).

423847880090 is a wasteful number, since it uses less digits than its factorization.

423847880090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21748897.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 423847880090 in words is "four hundred twenty-three billion, eight hundred forty-seven million, eight hundred eighty thousand, ninety".