236123220631 has 4 divisors (see below), whose sum is σ = 236127985912. Its totient is φ = 236118455352.

The previous prime is 236123220601. The next prime is 236123220637. The reversal of 236123220631 is 136022321632.

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 236123220631 - 2¹⁹ = 236122696343 is a prime.

It is a super-2 number, since 2×236123220631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 236123220593 and 236123220602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236123220637) 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, 2307525 + ... + 2407678.

It is an arithmetic number, because the mean of its divisors is an integer number (59031996478).

Almost surely, 2^236123220631 is an apocalyptic number.

236123220631 is a deficient number, since it is larger than the sum of its proper divisors (4765281).

236123220631 is an equidigital number, since it uses as much as digits as its factorization.

236123220631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4765280.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 236123220631 in words is "two hundred thirty-six billion, one hundred twenty-three million, two hundred twenty thousand, six hundred thirty-one".