23445065544 has 64 divisors (see below), whose sum is σ = 60655003200. Its totient is φ = 7542898944.

The previous prime is 23445065543. The next prime is 23445065549. The reversal of 23445065544 is 44556054432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23445065496 and 23445065505.

It is not an unprimeable number, because it can be changed into a prime (23445065543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3390939 + ... + 3397845.

It is an arithmetic number, because the mean of its divisors is an integer number (947734425).

Almost surely, 2^23445065544 is an apocalyptic number.

23445065544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23445065544 is an abundant number, since it is smaller than the sum of its proper divisors (37209937656).

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

23445065544 is a wasteful number, since it uses less digits than its factorization.

23445065544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11822 (or 11818 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 23445065544 in words is "twenty-three billion, four hundred forty-five million, sixty-five thousand, five hundred forty-four".