4023012402 has 12 divisors (see below), whose sum is σ = 8716526910. Its totient is φ = 1341004128.

The previous prime is 4023012397. The next prime is 4023012421. The reversal of 4023012402 is 2042103204.

It can be written as a sum of positive squares in only one way, i.e., 4017151161 + 5861241 = 63381^2 + 2421^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 223500689 = 4023012402 / (4 + 0 + 2 + 3 + 0 + 1 + 2 + 4 + 0 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111750327 + ... + 111750362.

Almost surely, 2^4023012402 is an apocalyptic number.

4023012402 is an abundant number, since it is smaller than the sum of its proper divisors (4693514508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4023012402 is a wasteful number, since it uses less digits than its factorization.

4023012402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223500697 (or 223500694 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4023012402 is about 63427.2213012678. The cubic root of 4023012402 is about 1590.4393920327.

Adding to 4023012402 its reverse (2042103204), we get a palindrome (6065115606).

The spelling of 4023012402 in words is "four billion, twenty-three million, twelve thousand, four hundred two".