23311212001 has 16 divisors (see below), whose sum is σ = 29066711040. Its totient is φ = 18162467280.

The previous prime is 23311211999. The next prime is 23311212019. The reversal of 23311212001 is 10021211332.

It is a cyclic number.

It is not a de Polignac number, because 23311212001 - 2¹ = 23311211999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23311216001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1135510 + ... + 1155856.

It is an arithmetic number, because the mean of its divisors is an integer number (1816669440).

Almost surely, 2^23311212001 is an apocalyptic number.

It is an amenable number.

23311212001 is a deficient number, since it is larger than the sum of its proper divisors (5755499039).

23311212001 is a wasteful number, since it uses less digits than its factorization.

23311212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35244.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23311212001 its reverse (10021211332), we get a palindrome (33332423333).

The spelling of 23311212001 in words is "twenty-three billion, three hundred eleven million, two hundred twelve thousand, one".