23031012011 has 8 divisors (see below), whose sum is σ = 26405793024. Its totient is φ = 19677390120.

The previous prime is 23031012007. The next prime is 23031012047. The reversal of 23031012011 is 11021013032.

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

It is a cyclic number.

It is not a de Polignac number, because 23031012011 - 2² = 23031012007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23031012611) 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, 5287445 + ... + 5291798.

It is an arithmetic number, because the mean of its divisors is an integer number (3300724128).

Almost surely, 2^23031012011 is an apocalyptic number.

23031012011 is a deficient number, since it is larger than the sum of its proper divisors (3374781013).

23031012011 is a wasteful number, since it uses less digits than its factorization.

23031012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10579561.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 23031012011 its reverse (11021013032), we get a palindrome (34052025043).

The spelling of 23031012011 in words is "twenty-three billion, thirty-one million, twelve thousand, eleven".