120155231000023 has 32 divisors (see below), whose sum is σ = 131191446528000. Its totient is φ = 109611567959040.

The previous prime is 120155230999949. The next prime is 120155231000089. The reversal of 120155231000023 is 320000132551021.

It is a cyclic number.

It is not a de Polignac number, because 120155231000023 - 2⁴¹ = 117956207744471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120155231000323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447753378 + ... + 448021648.

It is an arithmetic number, because the mean of its divisors is an integer number (4099732704000).

Almost surely, 2^{120155231000023} is an apocalyptic number.

120155231000023 is a deficient number, since it is larger than the sum of its proper divisors (11036215527977).

120155231000023 is a wasteful number, since it uses less digits than its factorization.

120155231000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270495.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 120155231000023 its reverse (320000132551021), we get a palindrome (440155363551044).

The spelling of 120155231000023 in words is "one hundred twenty trillion, one hundred fifty-five billion, two hundred thirty-one million, twenty-three", and thus it is an aban number.