120023042554 has 4 divisors (see below), whose sum is σ = 180034563834. Its totient is φ = 60011521276.

The previous prime is 120023042549. The next prime is 120023042561. The reversal of 120023042554 is 455240320021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101643004225 + 18380038329 = 318815^2 + 135573^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30005760637 + ... + 30005760640.

Almost surely, 2^120023042554 is an apocalyptic number.

120023042554 is a deficient number, since it is larger than the sum of its proper divisors (60011521280).

120023042554 is an equidigital number, since it uses as much as digits as its factorization.

120023042554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60011521279.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 120023042554 its reverse (455240320021), we get a palindrome (575263362575).

The spelling of 120023042554 in words is "one hundred twenty billion, twenty-three million, forty-two thousand, five hundred fifty-four".