1232140243 has 8 divisors (see below), whose sum is σ = 1243051920. Its totient is φ = 1221276000.

The previous prime is 1232140223. The next prime is 1232140271. The reversal of 1232140243 is 3420412321.

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

It is a cyclic number.

It is not a de Polignac number, because 1232140243 - 2¹³ = 1232132051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232140223) 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, 41368 + ... + 64618.

It is an arithmetic number, because the mean of its divisors is an integer number (155381490).

Almost surely, 2^1232140243 is an apocalyptic number.

1232140243 is a deficient number, since it is larger than the sum of its proper divisors (10911677).

1232140243 is a wasteful number, since it uses less digits than its factorization.

1232140243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23717.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1232140243 is about 35101.8552643589. The cubic root of 1232140243 is about 1072.0623580135.

Adding to 1232140243 its reverse (3420412321), we get a palindrome (4652552564).

The spelling of 1232140243 in words is "one billion, two hundred thirty-two million, one hundred forty thousand, two hundred forty-three".