252323211043 has 4 divisors (see below), whose sum is σ = 252366623568. Its totient is φ = 252279798520.

The previous prime is 252323211013. The next prime is 252323211097. The reversal of 252323211043 is 340112323252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252323211043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252323211013) 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, 21697543 + ... + 21709168.

It is an arithmetic number, because the mean of its divisors is an integer number (63091655892).

Almost surely, 2^252323211043 is an apocalyptic number.

252323211043 is a deficient number, since it is larger than the sum of its proper divisors (43412525).

252323211043 is an equidigital number, since it uses as much as digits as its factorization.

252323211043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43412524.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 252323211043 its reverse (340112323252), we get a palindrome (592435534295).

The spelling of 252323211043 in words is "two hundred fifty-two billion, three hundred twenty-three million, two hundred eleven thousand, forty-three".