23311242340220 has 12 divisors (see below), whose sum is σ = 48953608914504. Its totient is φ = 9324496936080.

The previous prime is 23311242340193. The next prime is 23311242340291. The reversal of 23311242340220 is 2204324211332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582781058486 + ... + 582781058525.

It is an arithmetic number, because the mean of its divisors is an integer number (4079467409542).

Almost surely, 2^{23311242340220} is an apocalyptic number.

23311242340220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23311242340220 is an abundant number, since it is smaller than the sum of its proper divisors (25642366574284).

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

23311242340220 is a wasteful number, since it uses less digits than its factorization.

23311242340220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165562117020 (or 1165562117018 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 23311242340220 its reverse (2204324211332), we get a palindrome (25515566551552).

The spelling of 23311242340220 in words is "twenty-three trillion, three hundred eleven billion, two hundred forty-two million, three hundred forty thousand, two hundred twenty".