2152655923 has 16 divisors (see below), whose sum is σ = 2547145440. Its totient is φ = 1796915200.

The previous prime is 2152655909. The next prime is 2152655927. The reversal of 2152655923 is 3295562512.

It is not a de Polignac number, because 2152655923 - 2⁵ = 2152655891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152655927) 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, 132718 + ... + 148051.

It is an arithmetic number, because the mean of its divisors is an integer number (159196590).

Almost surely, 2^2152655923 is an apocalyptic number.

2152655923 is a deficient number, since it is larger than the sum of its proper divisors (394489517).

2152655923 is a wasteful number, since it uses less digits than its factorization.

2152655923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280838.

The product of its digits is 162000, while the sum is 40.

The square root of 2152655923 is about 46396.7231924842. The cubic root of 2152655923 is about 1291.1941195403.

The spelling of 2152655923 in words is "two billion, one hundred fifty-two million, six hundred fifty-five thousand, nine hundred twenty-three".