2002045123237 has 2 divisors, whose sum is σ = 2002045123238. Its totient is φ = 2002045123236.

The previous prime is 2002045123231. The next prime is 2002045123249. The reversal of 2002045123237 is 7323215402002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1946446312801 + 55598810436 = 1395151^2 + 235794^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002045123237 - 2³¹ = 1999897639589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002045123199 and 2002045123208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002045123231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001022561618 + 1001022561619.

It is an arithmetic number, because the mean of its divisors is an integer number (1001022561619).

Almost surely, 2^{2002045123237} is an apocalyptic number.

It is an amenable number.

2002045123237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002045123237 is an equidigital number, since it uses as much as digits as its factorization.

2002045123237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 2002045123237 in words is "two trillion, two billion, forty-five million, one hundred twenty-three thousand, two hundred thirty-seven".