23030021123 has 4 divisors (see below), whose sum is σ = 23211360000. Its totient is φ = 22848682248.

The previous prime is 23030021107. The next prime is 23030021143. The reversal of 23030021123 is 32112003032.

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 23030021123 - 2⁴ = 23030021107 is a prime.

It is a super-2 number, since 2×23030021123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23030021143) 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, 90669248 + ... + 90669501.

It is an arithmetic number, because the mean of its divisors is an integer number (5802840000).

Almost surely, 2^23030021123 is an apocalyptic number.

23030021123 is a deficient number, since it is larger than the sum of its proper divisors (181338877).

23030021123 is a wasteful number, since it uses less digits than its factorization.

23030021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181338876.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23030021123 its reverse (32112003032), we get a palindrome (55142024155).

The spelling of 23030021123 in words is "twenty-three billion, thirty million, twenty-one thousand, one hundred twenty-three".