2123450632 has 8 divisors (see below), whose sum is σ = 3981469950. Its totient is φ = 1061725312.

The previous prime is 2123450627. The next prime is 2123450633. The reversal of 2123450632 is 2360543212.

It can be written as a sum of positive squares in only one way, i.e., 2071524196 + 51926436 = 45514^2 + 7206^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2123450632.

It is not an unprimeable number, because it can be changed into a prime (2123450633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132715657 + ... + 132715672.

Almost surely, 2^2123450632 is an apocalyptic number.

It is an amenable number.

2123450632 is a deficient number, since it is larger than the sum of its proper divisors (1858019318).

2123450632 is a wasteful number, since it uses less digits than its factorization.

2123450632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265431335 (or 265431331 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2123450632 is about 46080.9139666305. The cubic root of 2123450632 is about 1285.3282596399.

Adding to 2123450632 its reverse (2360543212), we get a palindrome (4483993844).

The spelling of 2123450632 in words is "two billion, one hundred twenty-three million, four hundred fifty thousand, six hundred thirty-two".