234003450123 has 28 divisors (see below), whose sum is σ = 362942804160. Its totient is φ = 150622896816.

The previous prime is 234003450103. The next prime is 234003450157. The reversal of 234003450123 is 321054300432.

It is not a de Polignac number, because 234003450123 - 2⁵ = 234003450091 is a prime.

It is a super-2 number, since 2×234003450123² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (234003450103) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 5513211 + ... + 5555492.

Almost surely, 2^234003450123 is an apocalyptic number.

234003450123 is a deficient number, since it is larger than the sum of its proper divisors (128939354037).

234003450123 is an equidigital number, since it uses as much as digits as its factorization.

234003450123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11068750 (or 11068735 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 234003450123 its reverse (321054300432), we get a palindrome (555057750555).

The spelling of 234003450123 in words is "two hundred thirty-four billion, three million, four hundred fifty thousand, one hundred twenty-three".