2142423653 has 2 divisors, whose sum is σ = 2142423654. Its totient is φ = 2142423652.

The previous prime is 2142423629. The next prime is 2142423683. The reversal of 2142423653 is 3563242412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1876015969 + 266407684 = 43313^2 + 16322^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142423653 - 2¹⁰ = 2142422629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142423683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071211826 + 1071211827.

It is an arithmetic number, because the mean of its divisors is an integer number (1071211827).

Almost surely, 2^2142423653 is an apocalyptic number.

It is an amenable number.

2142423653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142423653 is an equidigital number, since it uses as much as digits as its factorization.

2142423653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 32.

The square root of 2142423653 is about 46286.3225262064. The cubic root of 2142423653 is about 1289.1450483501.

The spelling of 2142423653 in words is "two billion, one hundred forty-two million, four hundred twenty-three thousand, six hundred fifty-three".