23054440322440 has 32 divisors (see below), whose sum is σ = 51888119976000. Its totient is φ = 9218997595584.

The previous prime is 23054440322437. The next prime is 23054440322449. The reversal of 23054440322440 is 4422304445032.

It is a self number, because there is not a number n which added to its sum of digits gives 23054440322440.

It is not an unprimeable number, because it can be changed into a prime (23054440322449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86694750 + ... + 86960269.

It is an arithmetic number, because the mean of its divisors is an integer number (1621503749250).

Almost surely, 2^{23054440322440} is an apocalyptic number.

23054440322440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23054440322440 is an abundant number, since it is smaller than the sum of its proper divisors (28833679653560).

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

23054440322440 is a wasteful number, since it uses less digits than its factorization.

23054440322440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173658349 (or 173658345 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 23054440322440 its reverse (4422304445032), we get a palindrome (27476744767472).

The spelling of 23054440322440 in words is "twenty-three trillion, fifty-four billion, four hundred forty million, three hundred twenty-two thousand, four hundred forty".