4838121823 has 16 divisors (see below), whose sum is σ = 5133348000. Its totient is φ = 4551966720.

The previous prime is 4838121809. The next prime is 4838121833. The reversal of 4838121823 is 3281218384.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4838121823 - 2²¹ = 4836024671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4838121833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555583 + ... + 564223.

It is an arithmetic number, because the mean of its divisors is an integer number (320834250).

Almost surely, 2^4838121823 is an apocalyptic number.

4838121823 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4838121823 is a deficient number, since it is larger than the sum of its proper divisors (295226177).

4838121823 is a wasteful number, since it uses less digits than its factorization.

4838121823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9162.

The product of its digits is 73728, while the sum is 40.

The square root of 4838121823 is about 69556.6087658103. The cubic root of 4838121823 is about 1691.3192811124.

The spelling of 4838121823 in words is "four billion, eight hundred thirty-eight million, one hundred twenty-one thousand, eight hundred twenty-three".