123203123000231 has 32 divisors (see below), whose sum is σ = 131968293273600. Its totient is φ = 114675298927200.

The previous prime is 123203123000219. The next prime is 123203123000263. The reversal of 123203123000231 is 132000321302321.

It is a de Polignac number, because none of the positive numbers 2^k-123203123000231 is a prime.

It is a super-2 number, since 2×123203123000231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123203123000197 and 123203123000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123203123005231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2480758106 + ... + 2480807768.

It is an arithmetic number, because the mean of its divisors is an integer number (4124009164800).

Almost surely, 2^{123203123000231} is an apocalyptic number.

123203123000231 is a deficient number, since it is larger than the sum of its proper divisors (8765170273369).

123203123000231 is a wasteful number, since it uses less digits than its factorization.

123203123000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54819.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123203123000231 its reverse (132000321302321), we get a palindrome (255203444302552).

The spelling of 123203123000231 in words is "one hundred twenty-three trillion, two hundred three billion, one hundred twenty-three million, two hundred thirty-one", and thus it is an aban number.