140223240321 has 16 divisors (see below), whose sum is σ = 193493707200. Its totient is φ = 90220211648.

The previous prime is 140223240307. The next prime is 140223240383. The reversal of 140223240321 is 123042322041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140223240321 - 2⁶ = 140223240257 is a prime.

It is a super-2 number, since 2×140223240321² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140223240291 and 140223240300.

It is not an unprimeable number, because it can be changed into a prime (140223244321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136851 + ... + 546968.

It is an arithmetic number, because the mean of its divisors is an integer number (12093356700).

Almost surely, 2^140223240321 is an apocalyptic number.

It is an amenable number.

140223240321 is a deficient number, since it is larger than the sum of its proper divisors (53270466879).

140223240321 is a wasteful number, since it uses less digits than its factorization.

140223240321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686208.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 140223240321 its reverse (123042322041), we get a palindrome (263265562362).

The spelling of 140223240321 in words is "one hundred forty billion, two hundred twenty-three million, two hundred forty thousand, three hundred twenty-one".