424245212523 has 32 divisors (see below), whose sum is σ = 685803121920. Its totient is φ = 257060450880.

The previous prime is 424245212513. The next prime is 424245212551. The reversal of 424245212523 is 325212542424.

424245212523 is a `hidden beast` number, since 42 + 42 + 4 + 52 + 1 + 2 + 523 = 666.

It is not a de Polignac number, because 424245212523 - 2²⁰ = 424244163947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424245212513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1180111 + ... + 1497047.

It is an arithmetic number, because the mean of its divisors is an integer number (21431347560).

Almost surely, 2^424245212523 is an apocalyptic number.

424245212523 is a deficient number, since it is larger than the sum of its proper divisors (261557909397).

424245212523 is a wasteful number, since it uses less digits than its factorization.

424245212523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321464 (or 321458 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

Adding to 424245212523 its reverse (325212542424), we get a palindrome (749457754947).

The spelling of 424245212523 in words is "four hundred twenty-four billion, two hundred forty-five million, two hundred twelve thousand, five hundred twenty-three".