23401444013332 has 72 divisors (see below), whose sum is σ = 55026466604928. Its totient is φ = 8581125369600.

The previous prime is 23401444013329. The next prime is 23401444013357. The reversal of 23401444013332 is 23331044410432.

It is a super-2 number, since 2×23401444013332² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319201644 + ... + 319274947.

It is an arithmetic number, because the mean of its divisors is an integer number (764256480624).

Almost surely, 2^{23401444013332} is an apocalyptic number.

23401444013332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23401444013332 is an abundant number, since it is smaller than the sum of its proper divisors (31625022591596).

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

23401444013332 is a wasteful number, since it uses less digits than its factorization.

23401444013332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638476637 (or 638476628 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 23401444013332 its reverse (23331044410432), we get a palindrome (46732488423764).

The spelling of 23401444013332 in words is "twenty-three trillion, four hundred one billion, four hundred forty-four million, thirteen thousand, three hundred thirty-two".