23311221010 has 32 divisors (see below), whose sum is σ = 52314014592. Its totient is φ = 7265834880.

The previous prime is 23311220993. The next prime is 23311221041. The reversal of 23311221010 is 1012211332.

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, 15136387 + ... + 15137926.

It is an arithmetic number, because the mean of its divisors is an integer number (1634812956).

Almost surely, 2^23311221010 is an apocalyptic number.

23311221010 is an abundant number, since it is smaller than the sum of its proper divisors (29002793582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23311221010 is a wasteful number, since it uses less digits than its factorization.

23311221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30274338.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23311221010 its reverse (1012211332), we get a palindrome (24323432342).

The spelling of 23311221010 in words is "twenty-three billion, three hundred eleven million, two hundred twenty-one thousand, ten".