23031212001 has 8 divisors (see below), whose sum is σ = 35095180224. Its totient is φ = 13160692560.

The previous prime is 23031211997. The next prime is 23031212003. The reversal of 23031212001 is 10021213032.

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

It is not a de Polignac number, because 23031212001 - 2² = 23031211997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23031212003) 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, 548362170 + ... + 548362211.

It is an arithmetic number, because the mean of its divisors is an integer number (4386897528).

Almost surely, 2^23031212001 is an apocalyptic number.

23031212001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23031212001 is a deficient number, since it is larger than the sum of its proper divisors (12063968223).

23031212001 is a wasteful number, since it uses less digits than its factorization.

23031212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096724391.

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

Adding to 23031212001 its reverse (10021213032), we get a palindrome (33052425033).

The spelling of 23031212001 in words is "twenty-three billion, thirty-one million, two hundred twelve thousand, one".