123020211002231 has 8 divisors (see below), whose sum is σ = 123658211205360. Its totient is φ = 122383151111232.

The previous prime is 123020211002203. The next prime is 123020211002263. The reversal of 123020211002231 is 132200112020321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123020211002231 is a prime.

It is a super-2 number, since 2×123020211002231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020211002201) 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, 234815696 + ... + 235339013.

It is an arithmetic number, because the mean of its divisors is an integer number (15457276400670).

Almost surely, 2^{123020211002231} is an apocalyptic number.

123020211002231 is a deficient number, since it is larger than the sum of its proper divisors (638000203129).

123020211002231 is a wasteful number, since it uses less digits than its factorization.

123020211002231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470156065.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 123020211002231 its reverse (132200112020321), we get a palindrome (255220323022552).

The spelling of 123020211002231 in words is "one hundred twenty-three trillion, twenty billion, two hundred eleven million, two thousand, two hundred thirty-one".