223012201231240 has 128 divisors (see below), whose sum is σ = 505925479980000. Its totient is φ = 88469414166528.

The previous prime is 223012201231223. The next prime is 223012201231241. The reversal of 223012201231240 is 42132102210322.

It can be written as a sum of positive squares in 16 ways, for example, as 83485975088356 + 139526226142884 = 9137066^2 + 11812122^2 .

It is not an unprimeable number, because it can be changed into a prime (223012201231241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10764685362 + ... + 10764706078.

Almost surely, 2^{223012201231240} is an apocalyptic number.

223012201231240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223012201231240 is an abundant number, since it is smaller than the sum of its proper divisors (282913278748760).

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

223012201231240 is a wasteful number, since it uses less digits than its factorization.

223012201231240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23579 (or 23575 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 223012201231240 its reverse (42132102210322), we get a palindrome (265144303441562).

The spelling of 223012201231240 in words is "two hundred twenty-three trillion, twelve billion, two hundred one million, two hundred thirty-one thousand, two hundred forty".