4238900123 has 4 divisors (see below), whose sum is σ = 4278516120. Its totient is φ = 4199284128.

The previous prime is 4238900119. The next prime is 4238900129. The reversal of 4238900123 is 3210098324.

It is a happy number.

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 4238900123 - 2² = 4238900119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4238900123.

It is not an unprimeable number, because it can be changed into a prime (4238900129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19807838 + ... + 19808051.

It is an arithmetic number, because the mean of its divisors is an integer number (1069629030).

Almost surely, 2^4238900123 is an apocalyptic number.

4238900123 is a deficient number, since it is larger than the sum of its proper divisors (39615997).

4238900123 is a wasteful number, since it uses less digits than its factorization.

4238900123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39615996.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 4238900123 is about 65106.8362232416. The cubic root of 4238900123 is about 1618.3945028578.

Adding to 4238900123 its reverse (3210098324), we get a palindrome (7448998447).

The spelling of 4238900123 in words is "four billion, two hundred thirty-eight million, nine hundred thousand, one hundred twenty-three".