23311320230 has 32 divisors (see below), whose sum is σ = 45781620768. Its totient is φ = 8475609600.

The previous prime is 23311320223. The next prime is 23311320269. The reversal of 23311320230 is 3202311332.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125044 + ... + 1145576.

It is an arithmetic number, because the mean of its divisors is an integer number (1430675649).

Almost surely, 2^23311320230 is an apocalyptic number.

23311320230 is a deficient number, since it is larger than the sum of its proper divisors (22470300538).

23311320230 is a wasteful number, since it uses less digits than its factorization.

23311320230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30872.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23311320230 its reverse (3202311332), we get a palindrome (26513631562).

The spelling of 23311320230 in words is "twenty-three billion, three hundred eleven million, three hundred twenty thousand, two hundred thirty".