2123150827 has 4 divisors (see below), whose sum is σ = 2426458096. Its totient is φ = 1819843560.

The previous prime is 2123150819. The next prime is 2123150837. The reversal of 2123150827 is 7280513212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2123150827 - 2³ = 2123150819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123150837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151653624 + ... + 151653637.

It is an arithmetic number, because the mean of its divisors is an integer number (606614524).

Almost surely, 2^2123150827 is an apocalyptic number.

2123150827 is a deficient number, since it is larger than the sum of its proper divisors (303307269).

2123150827 is an equidigital number, since it uses as much as digits as its factorization.

2123150827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303307268.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 2123150827 is about 46077.6608238743. The cubic root of 2123150827 is about 1285.2677659682.

The spelling of 2123150827 in words is "two billion, one hundred twenty-three million, one hundred fifty thousand, eight hundred twenty-seven".