120134155623 has 16 divisors (see below), whose sum is σ = 160616450016. Its totient is φ = 79870745600.

The previous prime is 120134155621. The next prime is 120134155679. The reversal of 120134155623 is 326551431021.

It is a cyclic number.

It is not a de Polignac number, because 120134155623 - 2¹ = 120134155621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120134155621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6579715 + ... + 6597947.

It is an arithmetic number, because the mean of its divisors is an integer number (10038528126).

Almost surely, 2^120134155623 is an apocalyptic number.

120134155623 is a deficient number, since it is larger than the sum of its proper divisors (40482294393).

120134155623 is a wasteful number, since it uses less digits than its factorization.

120134155623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24114.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 120134155623 its reverse (326551431021), we get a palindrome (446685586644).

The spelling of 120134155623 in words is "one hundred twenty billion, one hundred thirty-four million, one hundred fifty-five thousand, six hundred twenty-three".