23113301305440 has 96 divisors (see below), whose sum is σ = 72902572930656. Its totient is φ = 6155447644160.

The previous prime is 23113301305439. The next prime is 23113301305453. The reversal of 23113301305440 is 4450310331132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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 = 23113301305398 and 23113301305407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31272507 + ... + 32003066.

It is an arithmetic number, because the mean of its divisors is an integer number (759401801361).

Almost surely, 2^{23113301305440} is an apocalyptic number.

23113301305440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23113301305440 is an abundant number, since it is smaller than the sum of its proper divisors (49789271625216).

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

23113301305440 is a wasteful number, since it uses less digits than its factorization.

23113301305440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63276352 (or 63276344 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 23113301305440 its reverse (4450310331132), we get a palindrome (27563611636572).

The spelling of 23113301305440 in words is "twenty-three trillion, one hundred thirteen billion, three hundred one million, three hundred five thousand, four hundred forty".