140023312312220 has 24 divisors (see below), whose sum is σ = 294837290873664. Its totient is φ = 55859165873856.

The previous prime is 140023312312207. The next prime is 140023312312297. The reversal of 140023312312220 is 22213213320041.

It is a super-2 number, since 2×140023312312220² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140023312312220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9384933044 + ... + 9384947963.

It is an arithmetic number, because the mean of its divisors is an integer number (12284887119736).

Almost surely, 2^{140023312312220} is an apocalyptic number.

140023312312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140023312312220 is an abundant number, since it is smaller than the sum of its proper divisors (154813978561444).

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

140023312312220 is a wasteful number, since it uses less digits than its factorization.

140023312312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18769881389 (or 18769881387 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 140023312312220 its reverse (22213213320041), we get a palindrome (162236525632261).

The spelling of 140023312312220 in words is "one hundred forty trillion, twenty-three billion, three hundred twelve million, three hundred twelve thousand, two hundred twenty".