1252352240023 has 4 divisors (see below), whose sum is σ = 1252354809528. Its totient is φ = 1252349670520.

The previous prime is 1252352240021. The next prime is 1252352240033. The reversal of 1252352240023 is 3200422532521.

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 1252352240023 - 2¹ = 1252352240021 is a prime.

It is a super-2 number, since 2×1252352240023² (a number of 25 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 (1252352240021) 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, 304213 + ... + 1611598.

It is an arithmetic number, because the mean of its divisors is an integer number (313088702382).

Almost surely, 2^{1252352240023} is an apocalyptic number.

1252352240023 is a deficient number, since it is larger than the sum of its proper divisors (2569505).

1252352240023 is an equidigital number, since it uses as much as digits as its factorization.

1252352240023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569504.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 1252352240023 its reverse (3200422532521), we get a palindrome (4452774772544).

The spelling of 1252352240023 in words is "one trillion, two hundred fifty-two billion, three hundred fifty-two million, two hundred forty thousand, twenty-three".