212001233023 has 4 divisors (see below), whose sum is σ = 212009653368. Its totient is φ = 211992812680.

The previous prime is 212001232973. The next prime is 212001233029. The reversal of 212001233023 is 320332100212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212001233023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001233029) 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, 4172293 + ... + 4222798.

It is an arithmetic number, because the mean of its divisors is an integer number (53002413342).

Almost surely, 2^212001233023 is an apocalyptic number.

212001233023 is a deficient number, since it is larger than the sum of its proper divisors (8420345).

212001233023 is an equidigital number, since it uses as much as digits as its factorization.

212001233023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8420344.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212001233023 its reverse (320332100212), we get a palindrome (532333333235).

The spelling of 212001233023 in words is "two hundred twelve billion, one million, two hundred thirty-three thousand, twenty-three".