2323440551 has 4 divisors (see below), whose sum is σ = 2323539504. Its totient is φ = 2323341600.

The previous prime is 2323440547. The next prime is 2323440577. The reversal of 2323440551 is 1550443232.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2323440551 - 2² = 2323440547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323440851) 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, 8006 + ... + 68636.

It is an arithmetic number, because the mean of its divisors is an integer number (580884876).

Almost surely, 2^2323440551 is an apocalyptic number.

2323440551 is a deficient number, since it is larger than the sum of its proper divisors (98953).

2323440551 is an equidigital number, since it uses as much as digits as its factorization.

2323440551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98952.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2323440551 is about 48202.0803596691. The cubic root of 2323440551 is about 1324.4752736066.

Adding to 2323440551 its reverse (1550443232), we get a palindrome (3873883783).

The spelling of 2323440551 in words is "two billion, three hundred twenty-three million, four hundred forty thousand, five hundred fifty-one".