123023211 has 8 divisors (see below), whose sum is σ = 164384064. Its totient is φ = 81838920.

The previous prime is 123023183. The next prime is 123023227. The reversal of 123023211 is 112320321.

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

It is not a de Polignac number, because 123023211 - 2¹⁷ = 122892139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123023231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42505 + ... + 45306.

It is an arithmetic number, because the mean of its divisors is an integer number (20548008).

Almost surely, 2^123023211 is an apocalyptic number.

123023211 is a deficient number, since it is larger than the sum of its proper divisors (41360853).

123023211 is an equidigital number, since it uses as much as digits as its factorization.

123023211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88281.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 123023211 is about 11091.5828897412. The cubic root of 123023211 is about 497.3502639363.

Adding to 123023211 its reverse (112320321), we get a palindrome (235343532).

The spelling of 123023211 in words is "one hundred twenty-three million, twenty-three thousand, two hundred eleven".