2023856553 has 16 divisors (see below), whose sum is σ = 2792825280. Its totient is φ = 1302106176.

The previous prime is 2023856551. The next prime is 2023856561. The reversal of 2023856553 is 3556583202.

It is not a de Polignac number, because 2023856553 - 2¹ = 2023856551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2023856551) 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, 253326 + ... + 261192.

It is an arithmetic number, because the mean of its divisors is an integer number (174551580).

Almost surely, 2^2023856553 is an apocalyptic number.

It is an amenable number.

2023856553 is a deficient number, since it is larger than the sum of its proper divisors (768968727).

2023856553 is a wasteful number, since it uses less digits than its factorization.

2023856553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10856.

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 2023856553 is about 44987.2932393137. The cubic root of 2023856553 is about 1264.9108245865.

The spelling of 2023856553 in words is "two billion, twenty-three million, eight hundred fifty-six thousand, five hundred fifty-three".