120023042553 has 12 divisors (see below), whose sum is σ = 173979223600. Its totient is φ = 79732620216.

The previous prime is 120023042549. The next prime is 120023042561. The reversal of 120023042553 is 355240320021.

It is a happy number.

120023042553 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 230 + 425 + 5 + 3 = 666.

It is not a de Polignac number, because 120023042553 - 2² = 120023042549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120023042543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23559103 + ... + 23564196.

Almost surely, 2^120023042553 is an apocalyptic number.

It is an amenable number.

120023042553 is a deficient number, since it is larger than the sum of its proper divisors (53956181047).

120023042553 is a wasteful number, since it uses less digits than its factorization.

120023042553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47123588 (or 47123585 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 120023042553 its reverse (355240320021), we get a palindrome (475263362574).

The spelling of 120023042553 in words is "one hundred twenty billion, twenty-three million, forty-two thousand, five hundred fifty-three".