123023311243 has 8 divisors (see below), whose sum is σ = 141541682400. Its totient is φ = 104740843200.

The previous prime is 123023311207. The next prime is 123023311249. The reversal of 123023311243 is 342113320321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-123023311243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123023311249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58974658 + ... + 58976743.

It is an arithmetic number, because the mean of its divisors is an integer number (17692710300).

Almost surely, 2^123023311243 is an apocalyptic number.

123023311243 is a deficient number, since it is larger than the sum of its proper divisors (18518371157).

123023311243 is a wasteful number, since it uses less digits than its factorization.

123023311243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117951557.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 123023311243 its reverse (342113320321), we get a palindrome (465136631564).

The spelling of 123023311243 in words is "one hundred twenty-three billion, twenty-three million, three hundred eleven thousand, two hundred forty-three".