1252431551223 has 16 divisors (see below), whose sum is σ = 1856567266560. Its totient is φ = 834453465048.

The previous prime is 1252431551219. The next prime is 1252431551227. The reversal of 1252431551223 is 3221551342521.

1252431551223 is a `hidden beast` number, since 1 + 2 + 52 + 4 + 31 + 551 + 2 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (1252431551219) and next prime (1252431551227).

It is not a de Polignac number, because 1252431551223 - 2² = 1252431551219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252431551227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13868115 + ... + 13958132.

It is an arithmetic number, because the mean of its divisors is an integer number (116035454160).

Almost surely, 2^{1252431551223} is an apocalyptic number.

1252431551223 is a deficient number, since it is larger than the sum of its proper divisors (604135715337).

1252431551223 is a wasteful number, since it uses less digits than its factorization.

1252431551223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27827923 (or 27827917 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 1252431551223 its reverse (3221551342521), we get a palindrome (4473982893744).

The spelling of 1252431551223 in words is "one trillion, two hundred fifty-two billion, four hundred thirty-one million, five hundred fifty-one thousand, two hundred twenty-three".