232142733447 has 32 divisors (see below), whose sum is σ = 329595194880. Its totient is φ = 145057610880.

The previous prime is 232142733443. The next prime is 232142733451. The reversal of 232142733447 is 744337241232.

It is an interprime number because it is at equal distance from previous prime (232142733443) and next prime (232142733451).

It is not a de Polignac number, because 232142733447 - 2² = 232142733443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232142733399 and 232142733408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232142733443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1344622 + ... + 1507412.

It is an arithmetic number, because the mean of its divisors is an integer number (10299849840).

Almost surely, 2^232142733447 is an apocalyptic number.

232142733447 is a deficient number, since it is larger than the sum of its proper divisors (97452461433).

232142733447 is a wasteful number, since it uses less digits than its factorization.

232142733447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163303.

The product of its digits is 677376, while the sum is 42.

Adding to 232142733447 its reverse (744337241232), we get a palindrome (976479974679).

The spelling of 232142733447 in words is "two hundred thirty-two billion, one hundred forty-two million, seven hundred thirty-three thousand, four hundred forty-seven".