140223434397 has 8 divisors (see below), whose sum is σ = 186966333120. Its totient is φ = 93481412640.

The previous prime is 140223434371. The next prime is 140223434411. The reversal of 140223434397 is 793434322041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140223434397 - 2¹⁰ = 140223433373 is a prime.

It is a super-2 number, since 2×140223434397² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140223434317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420697 + ... + 676337.

It is an arithmetic number, because the mean of its divisors is an integer number (23370791640).

Almost surely, 2^140223434397 is an apocalyptic number.

It is an amenable number.

140223434397 is a deficient number, since it is larger than the sum of its proper divisors (46742898723).

140223434397 is a wasteful number, since it uses less digits than its factorization.

140223434397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438483.

The product of its (nonzero) digits is 435456, while the sum is 42.

The spelling of 140223434397 in words is "one hundred forty billion, two hundred twenty-three million, four hundred thirty-four thousand, three hundred ninety-seven".