2237642123 has 2 divisors, whose sum is σ = 2237642124. Its totient is φ = 2237642122.

The previous prime is 2237642087. The next prime is 2237642131. The reversal of 2237642123 is 3212467322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2237642123 - 2¹⁴ = 2237625739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2237642123.

It is not a weakly prime, because it can be changed into another prime (2237642023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118821061 + 1118821062.

It is an arithmetic number, because the mean of its divisors is an integer number (1118821062).

Almost surely, 2^2237642123 is an apocalyptic number.

2237642123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2237642123 is an equidigital number, since it uses as much as digits as its factorization.

2237642123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 32.

The square root of 2237642123 is about 47303.7220839967. The cubic root of 2237642123 is about 1307.9672693244.

The spelling of 2237642123 in words is "two billion, two hundred thirty-seven million, six hundred forty-two thousand, one hundred twenty-three".