23385400044 has 12 divisors (see below), whose sum is σ = 54565933464. Its totient is φ = 7795133344.

The previous prime is 23385400021. The next prime is 23385400061. The reversal of 23385400044 is 44000458332.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 23385399978 and 23385400014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974391657 + ... + 974391680.

It is an arithmetic number, because the mean of its divisors is an integer number (4547161122).

Almost surely, 2^23385400044 is an apocalyptic number.

It is an amenable number.

23385400044 is an abundant number, since it is smaller than the sum of its proper divisors (31180533420).

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

23385400044 is a wasteful number, since it uses less digits than its factorization.

23385400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948783344 (or 1948783342 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 23385400044 its reverse (44000458332), we get a palindrome (67385858376).

The spelling of 23385400044 in words is "twenty-three billion, three hundred eighty-five million, four hundred thousand, forty-four".