23445343314440 has 32 divisors (see below), whose sum is σ = 54453700604160. Its totient is φ = 9075616766400.

The previous prime is 23445343314397. The next prime is 23445343314581. The reversal of 23445343314440 is 4441334354432.

It is a junction number, because it is equal to n+sod(n) for n = 23445343314391 and 23445343314400.

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, 9453766226 + ... + 9453768705.

It is an arithmetic number, because the mean of its divisors is an integer number (1701678143880).

Almost surely, 2^{23445343314440} is an apocalyptic number.

23445343314440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23445343314440 is an abundant number, since it is smaller than the sum of its proper divisors (31008357289720).

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

23445343314440 is a wasteful number, since it uses less digits than its factorization.

23445343314440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18907534973 (or 18907534969 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 44.

Adding to 23445343314440 its reverse (4441334354432), we get a palindrome (27886677668872).

The spelling of 23445343314440 in words is "twenty-three trillion, four hundred forty-five billion, three hundred forty-three million, three hundred fourteen thousand, four hundred forty".