2123015159 has 2 divisors, whose sum is σ = 2123015160. Its totient is φ = 2123015158.

The previous prime is 2123015123. The next prime is 2123015177. The reversal of 2123015159 is 9515103212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123015159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123015459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061507579 + 1061507580.

It is an arithmetic number, because the mean of its divisors is an integer number (1061507580).

Almost surely, 2^2123015159 is an apocalyptic number.

2123015159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123015159 is an equidigital number, since it uses as much as digits as its factorization.

2123015159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 2123015159 is about 46076.1886336099. The cubic root of 2123015159 is about 1285.2403894516.

The spelling of 2123015159 in words is "two billion, one hundred twenty-three million, fifteen thousand, one hundred fifty-nine".