423649225511 has 4 divisors (see below), whose sum is σ = 423730126152. Its totient is φ = 423568324872.

The previous prime is 423649225501. The next prime is 423649225537. The reversal of 423649225511 is 115522946324.

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

It is a cyclic number.

It is not a de Polignac number, because 423649225511 - 2³⁴ = 406469356327 is a prime.

It is a super-3 number, since 3×423649225511³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423649225501) 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, 40442465 + ... + 40452938.

It is an arithmetic number, because the mean of its divisors is an integer number (105932531538).

Almost surely, 2^423649225511 is an apocalyptic number.

423649225511 is a deficient number, since it is larger than the sum of its proper divisors (80900641).

423649225511 is an equidigital number, since it uses as much as digits as its factorization.

423649225511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80900640.

The product of its digits is 518400, while the sum is 44.

The spelling of 423649225511 in words is "four hundred twenty-three billion, six hundred forty-nine million, two hundred twenty-five thousand, five hundred eleven".