2311223534 has 4 divisors (see below), whose sum is σ = 3466835304. Its totient is φ = 1155611766.

The previous prime is 2311223531. The next prime is 2311223539. The reversal of 2311223534 is 4353221132.

It is a happy number.

2311223534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311223531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577805882 + ... + 577805885.

It is an arithmetic number, because the mean of its divisors is an integer number (866708826).

Almost surely, 2^2311223534 is an apocalyptic number.

2311223534 is a deficient number, since it is larger than the sum of its proper divisors (1155611770).

2311223534 is a wasteful number, since it uses less digits than its factorization.

2311223534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155611769.

The product of its digits is 4320, while the sum is 26.

The square root of 2311223534 is about 48075.1862606896. The cubic root of 2311223534 is about 1322.1497595384.

Adding to 2311223534 its reverse (4353221132), we get a palindrome (6664444666).

The spelling of 2311223534 in words is "two billion, three hundred eleven million, two hundred twenty-three thousand, five hundred thirty-four".