2102423144 has 8 divisors (see below), whose sum is σ = 3942043410. Its totient is φ = 1051211568.

The previous prime is 2102423137. The next prime is 2102423153. The reversal of 2102423144 is 4413242012.

It can be written as a sum of positive squares in only one way, i.e., 1851580900 + 250842244 = 43030^2 + 15838^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131401439 + ... + 131401454.

Almost surely, 2^2102423144 is an apocalyptic number.

It is an amenable number.

2102423144 is a deficient number, since it is larger than the sum of its proper divisors (1839620266).

2102423144 is a wasteful number, since it uses less digits than its factorization.

2102423144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262802899 (or 262802895 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2102423144 is about 45852.1879957762. The cubic root of 2102423144 is about 1281.0715197461.

Adding to 2102423144 its reverse (4413242012), we get a palindrome (6515665156).

The spelling of 2102423144 in words is "two billion, one hundred two million, four hundred twenty-three thousand, one hundred forty-four".