424456511231 has 4 divisors (see below), whose sum is σ = 424606339872. Its totient is φ = 424306682592.

The previous prime is 424456511177. The next prime is 424456511233. The reversal of 424456511231 is 132115654424.

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 424456511231 - 2²² = 424452316927 is a prime.

It is a super-2 number, since 2×424456511231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424456511233) 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, 74910071 + ... + 74915736.

It is an arithmetic number, because the mean of its divisors is an integer number (106151584968).

Almost surely, 2^424456511231 is an apocalyptic number.

424456511231 is a deficient number, since it is larger than the sum of its proper divisors (149828641).

424456511231 is a wasteful number, since it uses less digits than its factorization.

424456511231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149828640.

The product of its digits is 115200, while the sum is 38.

The spelling of 424456511231 in words is "four hundred twenty-four billion, four hundred fifty-six million, five hundred eleven thousand, two hundred thirty-one".