2123402024 has 8 divisors (see below), whose sum is σ = 3981378810. Its totient is φ = 1061701008.

The previous prime is 2123401997. The next prime is 2123402081. The reversal of 2123402024 is 4202043212.

It can be written as a sum of positive squares in only one way, i.e., 1833381124 + 290020900 = 42818^2 + 17030^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2123401987 and 2123402005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132712619 + ... + 132712634.

Almost surely, 2^2123402024 is an apocalyptic number.

It is an amenable number.

2123402024 is a deficient number, since it is larger than the sum of its proper divisors (1857976786).

2123402024 is a wasteful number, since it uses less digits than its factorization.

2123402024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265425259 (or 265425255 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2123402024 is about 46080.3865435176. The cubic root of 2123402024 is about 1285.3184520635.

Adding to 2123402024 its reverse (4202043212), we get a palindrome (6325445236).

The spelling of 2123402024 in words is "two billion, one hundred twenty-three million, four hundred two thousand, twenty-four".