1252423523224 has 8 divisors (see below), whose sum is σ = 2348294106060. Its totient is φ = 626211761608.

The previous prime is 1252423523191. The next prime is 1252423523231. The reversal of 1252423523224 is 4223253242521.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78276470194 + ... + 78276470209.

Almost surely, 2^{1252423523224} is an apocalyptic number.

It is an amenable number.

1252423523224 is a deficient number, since it is larger than the sum of its proper divisors (1095870582836).

1252423523224 is a wasteful number, since it uses less digits than its factorization.

1252423523224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156552940409 (or 156552940405 counting only the distinct ones).

The product of its digits is 230400, while the sum is 37.

Adding to 1252423523224 its reverse (4223253242521), we get a palindrome (5475676765745).

The spelling of 1252423523224 in words is "one trillion, two hundred fifty-two billion, four hundred twenty-three million, five hundred twenty-three thousand, two hundred twenty-four".