140223434232 has 32 divisors (see below), whose sum is σ = 400638384000. Its totient is φ = 40063838304.

The previous prime is 140223434209. The next prime is 140223434249. The reversal of 140223434232 is 232434322041.

It is a super-2 number, since 2×140223434232² (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 140223434232.

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, 417331482 + ... + 417331817.

It is an arithmetic number, because the mean of its divisors is an integer number (12519949500).

Almost surely, 2^140223434232 is an apocalyptic number.

140223434232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140223434232 is an abundant number, since it is smaller than the sum of its proper divisors (260414949768).

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

140223434232 is a wasteful number, since it uses less digits than its factorization.

140223434232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834663315 (or 834663311 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 140223434232 its reverse (232434322041), we get a palindrome (372657756273).

The spelling of 140223434232 in words is "one hundred forty billion, two hundred twenty-three million, four hundred thirty-four thousand, two hundred thirty-two".