2443342121123 has 16 divisors (see below), whose sum is σ = 2483558972160. Its totient is φ = 2403404299296.

The previous prime is 2443342121027. The next prime is 2443342121153. The reversal of 2443342121123 is 3211212433442.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2443342121123 - 2¹⁶ = 2443342055587 is a prime.

It is a super-2 number, since 2×2443342121123² (a number of 26 digits) contains 22 as substring.

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 2443342121123.

It is not an unprimeable number, because it can be changed into a prime (2443342121153) 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, 17956418 + ... + 18091976.

It is an arithmetic number, because the mean of its divisors is an integer number (155222435760).

Almost surely, 2^{2443342121123} is an apocalyptic number.

2443342121123 is a deficient number, since it is larger than the sum of its proper divisors (40216851037).

2443342121123 is a wasteful number, since it uses less digits than its factorization.

2443342121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136586.

The product of its digits is 27648, while the sum is 32.

Adding to 2443342121123 its reverse (3211212433442), we get a palindrome (5654554554565).

The spelling of 2443342121123 in words is "two trillion, four hundred forty-three billion, three hundred forty-two million, one hundred twenty-one thousand, one hundred twenty-three".