120320223231 has 32 divisors (see below), whose sum is σ = 178605282240. Its totient is φ = 71574451200.

The previous prime is 120320223229. The next prime is 120320223241. The reversal of 120320223231 is 132322023021.

It is a happy number.

It is not a de Polignac number, because 120320223231 - 2¹ = 120320223229 is a prime.

It is a super-2 number, since 2×120320223231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120320223198 and 120320223207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120320223241) 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, 170880 + ... + 519461.

It is an arithmetic number, because the mean of its divisors is an integer number (5581415070).

Almost surely, 2^120320223231 is an apocalyptic number.

120320223231 is a deficient number, since it is larger than the sum of its proper divisors (58285059009).

120320223231 is a wasteful number, since it uses less digits than its factorization.

120320223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690507.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 120320223231 its reverse (132322023021), we get a palindrome (252642246252).

The spelling of 120320223231 in words is "one hundred twenty billion, three hundred twenty million, two hundred twenty-three thousand, two hundred thirty-one".