23229478311 has 32 divisors (see below), whose sum is σ = 33821760000. Its totient is φ = 14096481408.

The previous prime is 23229478303. The next prime is 23229478313. The reversal of 23229478311 is 11387492232.

It is not a de Polignac number, because 23229478311 - 2³ = 23229478303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23229478313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793350 + ... + 822108.

It is an arithmetic number, because the mean of its divisors is an integer number (1056930000).

Almost surely, 2^23229478311 is an apocalyptic number.

23229478311 is a deficient number, since it is larger than the sum of its proper divisors (10592281689).

23229478311 is a wasteful number, since it uses less digits than its factorization.

23229478311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29063.

The product of its digits is 145152, while the sum is 42.

The spelling of 23229478311 in words is "twenty-three billion, two hundred twenty-nine million, four hundred seventy-eight thousand, three hundred eleven".