4200123236 has 6 divisors (see below), whose sum is σ = 7350215670. Its totient is φ = 2100061616.

The previous prime is 4200123233. The next prime is 4200123247. The reversal of 4200123236 is 6323210024.

It can be written as a sum of positive squares in only one way, i.e., 2459564836 + 1740558400 = 49594^2 + 41720^2 .

It is a super-2 number, since 2×4200123236² = 35282070395174223392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4200123233) by changing a digit.

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 as a sum of consecutive naturals, namely, 525015401 + ... + 525015408.

It is an arithmetic number, because the mean of its divisors is an integer number (1225035945).

Almost surely, 2^4200123236 is an apocalyptic number.

It is an amenable number.

4200123236 is a deficient number, since it is larger than the sum of its proper divisors (3150092434).

4200123236 is a wasteful number, since it uses less digits than its factorization.

4200123236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050030813 (or 1050030811 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4200123236 is about 64808.3577634860. The cubic root of 4200123236 is about 1613.4444262268. Note that the first 4 decimals are identical.

The spelling of 4200123236 in words is "four billion, two hundred million, one hundred twenty-three thousand, two hundred thirty-six".