23311034124440 has 32 divisors (see below), whose sum is σ = 52452096374160. Its totient is φ = 9324010166400.

The previous prime is 23311034124409. The next prime is 23311034124451. The reversal of 23311034124440 is 4442143011332.

It is a super-3 number, since 3×23311034124440³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23311034124397 and 23311034124406.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11672051 + ... + 13522530.

Almost surely, 2^{23311034124440} is an apocalyptic number.

23311034124440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23311034124440 is an abundant number, since it is smaller than the sum of its proper divisors (29141062249720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23311034124440 is a wasteful number, since it uses less digits than its factorization.

23311034124440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25217723 (or 25217719 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 23311034124440 its reverse (4442143011332), we get a palindrome (27753177135772).

The spelling of 23311034124440 in words is "twenty-three trillion, three hundred eleven billion, thirty-four million, one hundred twenty-four thousand, four hundred forty".