23431011 has 8 divisors (see below), whose sum is σ = 31306944. Its totient is φ = 15587880.

The previous prime is 23430991. The next prime is 23431013. The reversal of 23431011 is 11013432.

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

It is not a de Polignac number, because 23431011 - 2⁹ = 23430499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23431013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6481 + ... + 9426.

It is an arithmetic number, because the mean of its divisors is an integer number (3913368).

Almost surely, 2^23431011 is an apocalyptic number.

23431011 is a deficient number, since it is larger than the sum of its proper divisors (7875933).

23431011 is a wasteful number, since it uses less digits than its factorization.

23431011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16401.

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

The square root of 23431011 is about 4840.5589553274. The cubic root of 23431011 is about 286.1521473535.

Adding to 23431011 its reverse (11013432), we get a palindrome (34444443).

The spelling of 23431011 in words is "twenty-three million, four hundred thirty-one thousand, eleven".