423525225250009 has 4 divisors (see below), whose sum is σ = 423529067451316. Its totient is φ = 423521383048704.

The previous prime is 423525225249991. The next prime is 423525225250037. The reversal of 423525225250009 is 900052522525324.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 252860787150409 + 170664438099600 = 15901597^2 + 13063860^2 .

It is a cyclic number.

It is not a de Polignac number, because 423525225250009 - 2¹⁷ = 423525225118937 is a prime.

It is a super-2 number, since 2×423525225250009² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423525225257009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920935304 + ... + 1921155769.

It is an arithmetic number, because the mean of its divisors is an integer number (105882266862829).

Almost surely, 2^{423525225250009} is an apocalyptic number.

It is an amenable number.

423525225250009 is a deficient number, since it is larger than the sum of its proper divisors (3842201307).

423525225250009 is a wasteful number, since it uses less digits than its factorization.

423525225250009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842201306.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 423525225250009 in words is "four hundred twenty-three trillion, five hundred twenty-five billion, two hundred twenty-five million, two hundred fifty thousand, nine".