23003556353440 has 48 divisors (see below), whose sum is σ = 58526355881448. Its totient is φ = 8493620806656.

The previous prime is 23003556353381. The next prime is 23003556353443. The reversal of 23003556353440 is 4435365530032.

It can be written as a sum of positive squares in 4 ways, for example, as 14489929486096 + 8513626867344 = 3806564^2 + 2917812^2 .

It is not an unprimeable number, because it can be changed into a prime (23003556353443) 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, 5529698967 + ... + 5529703126.

Almost surely, 2^{23003556353440} is an apocalyptic number.

23003556353440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23003556353440 is an abundant number, since it is smaller than the sum of its proper divisors (35522799528008).

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

23003556353440 is a wasteful number, since it uses less digits than its factorization.

23003556353440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11059402121 (or 11059402113 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 43.

The spelling of 23003556353440 in words is "twenty-three trillion, three billion, five hundred fifty-six million, three hundred fifty-three thousand, four hundred forty".