120556923 has 32 divisors (see below), whose sum is σ = 171417600. Its totient is φ = 75254400.

The previous prime is 120556889. The next prime is 120556937. The reversal of 120556923 is 329655021.

It is not a de Polignac number, because 120556923 - 2¹² = 120552827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120556963) 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, 448033 + ... + 448301.

It is an arithmetic number, because the mean of its divisors is an integer number (5356800).

Almost surely, 2^120556923 is an apocalyptic number.

120556923 is a deficient number, since it is larger than the sum of its proper divisors (50860677).

120556923 is a wasteful number, since it uses less digits than its factorization.

120556923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 120556923 is about 10979.8416655251. The cubic root of 120556923 is about 494.0042875816.

The spelling of 120556923 in words is "one hundred twenty million, five hundred fifty-six thousand, nine hundred twenty-three".