4202040023 has 4 divisors (see below), whose sum is σ = 4299761928. Its totient is φ = 4104318120.

The previous prime is 4202040001. The next prime is 4202040041. The reversal of 4202040023 is 3200402024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4202040023 - 2¹⁰ = 4202038999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4202039983 and 4202040010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202040043) 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 in 3 ways as a sum of consecutive naturals, for example, 48860888 + ... + 48860973.

It is an arithmetic number, because the mean of its divisors is an integer number (1074940482).

Almost surely, 2^4202040023 is an apocalyptic number.

4202040023 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4202040023 is a deficient number, since it is larger than the sum of its proper divisors (97721905).

4202040023 is an equidigital number, since it uses as much as digits as its factorization.

4202040023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97721904.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4202040023 is about 64823.1441924873. The cubic root of 4202040023 is about 1613.6898284679.

Adding to 4202040023 its reverse (3200402024), we get a palindrome (7402442047).

The spelling of 4202040023 in words is "four billion, two hundred two million, forty thousand, twenty-three".