4202020123 has 8 divisors (see below), whose sum is σ = 4806044640. Its totient is φ = 3598929600.

The previous prime is 4202020103. The next prime is 4202020127. The reversal of 4202020123 is 3210202024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4202020123 - 2⁹ = 4202019611 is a prime.

It is a super-2 number, since 2×4202020123² = 35313946228193870258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4202020097 and 4202020106.

It is not an unprimeable number, because it can be changed into a prime (4202020127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223828 + ... + 241873.

It is an arithmetic number, because the mean of its divisors is an integer number (600755580).

Almost surely, 2^4202020123 is an apocalyptic number.

4202020123 is a deficient number, since it is larger than the sum of its proper divisors (604024517).

4202020123 is a wasteful number, since it uses less digits than its factorization.

4202020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466997.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4202020123 is about 64822.9906977455. The cubic root of 4202020123 is about 1613.6872810958.

Adding to 4202020123 its reverse (3210202024), we get a palindrome (7412222147).

The spelling of 4202020123 in words is "four billion, two hundred two million, twenty thousand, one hundred twenty-three".