120323432231 has 4 divisors (see below), whose sum is σ = 120686947464. Its totient is φ = 119959917000.

The previous prime is 120323432189. The next prime is 120323432233. The reversal of 120323432231 is 132234323021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120323432231 - 2¹⁸ = 120323170087 is a prime.

It is a super-2 number, since 2×120323432231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120323432231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120323432233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181757120 + ... + 181757781.

It is an arithmetic number, because the mean of its divisors is an integer number (30171736866).

Almost surely, 2^120323432231 is an apocalyptic number.

120323432231 is a deficient number, since it is larger than the sum of its proper divisors (363515233).

120323432231 is an equidigital number, since it uses as much as digits as its factorization.

120323432231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363515232.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 120323432231 its reverse (132234323021), we get a palindrome (252557755252).

The spelling of 120323432231 in words is "one hundred twenty billion, three hundred twenty-three million, four hundred thirty-two thousand, two hundred thirty-one".