23000201155440 has 120 divisors (see below), whose sum is σ = 77573854977840. Its totient is φ = 6107063380992.

The previous prime is 23000201155429. The next prime is 23000201155453. The reversal of 23000201155440 is 4455110200032.

23000201155440 is a `hidden beast` number, since 2 + 3 + 0 + 0 + 0 + 2 + 0 + 115 + 544 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×23000201155440² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68383150 + ... + 68718669.

It is an arithmetic number, because the mean of its divisors is an integer number (646448791482).

Almost surely, 2^{23000201155440} is an apocalyptic number.

23000201155440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23000201155440 is an abundant number, since it is smaller than the sum of its proper divisors (54573653822400).

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

23000201155440 is a wasteful number, since it uses less digits than its factorization.

23000201155440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137102071 (or 137102062 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 23000201155440 its reverse (4455110200032), we get a palindrome (27455311355472).

The spelling of 23000201155440 in words is "twenty-three trillion, two hundred one million, one hundred fifty-five thousand, four hundred forty".