140231323024 has 40 divisors (see below), whose sum is σ = 293875869560. Its totient is φ = 64439497728.

The previous prime is 140231323013. The next prime is 140231323033. The reversal of 140231323024 is 420323132041.

It can be written as a sum of positive squares in 4 ways, for example, as 3280998400 + 136950324624 = 57280^2 + 370068^2 .

It is a super-2 number, since 2×140231323024² (a number of 23 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 140231323024.

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, 1424397 + ... + 1519660.

It is an arithmetic number, because the mean of its divisors is an integer number (7346896739).

Almost surely, 2^140231323024 is an apocalyptic number.

It is an amenable number.

140231323024 is an abundant number, since it is smaller than the sum of its proper divisors (153644546536).

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

140231323024 is a wasteful number, since it uses less digits than its factorization.

140231323024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944307 (or 2944301 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 140231323024 its reverse (420323132041), we get a palindrome (560554455065).

The spelling of 140231323024 in words is "one hundred forty billion, two hundred thirty-one million, three hundred twenty-three thousand, twenty-four".