23112331303440 has 40 divisors (see below), whose sum is σ = 71648227041408. Its totient is φ = 6163288347520.

The previous prime is 23112331303387. The next prime is 23112331303463. The reversal of 23112331303440 is 4430313321132.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23112331303398 and 23112331303407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48150689976 + ... + 48150690455.

Almost surely, 2^{23112331303440} is an apocalyptic number.

23112331303440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23112331303440 is an abundant number, since it is smaller than the sum of its proper divisors (48535895737968).

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

23112331303440 is a wasteful number, since it uses less digits than its factorization.

23112331303440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96301380447 (or 96301380441 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 23112331303440 its reverse (4430313321132), we get a palindrome (27542644624572).

The spelling of 23112331303440 in words is "twenty-three trillion, one hundred twelve billion, three hundred thirty-one million, three hundred three thousand, four hundred forty".