23311020434 has 64 divisors (see below), whose sum is σ = 39098142720. Its totient is φ = 10355143680.

The previous prime is 23311020427. The next prime is 23311020529. The reversal of 23311020434 is 43402011332.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31543637 + ... + 31544375.

It is an arithmetic number, because the mean of its divisors is an integer number (610908480).

Almost surely, 2^23311020434 is an apocalyptic number.

23311020434 is a deficient number, since it is larger than the sum of its proper divisors (15787122286).

23311020434 is a wasteful number, since it uses less digits than its factorization.

23311020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23311020434 its reverse (43402011332), we get a palindrome (66713031766).

The spelling of 23311020434 in words is "twenty-three billion, three hundred eleven million, twenty thousand, four hundred thirty-four".