123031334423 has 32 divisors (see below), whose sum is σ = 132537892032. Its totient is φ = 113799168000.

The previous prime is 123031334401. The next prime is 123031334441. The reversal of 123031334423 is 324433130321.

It is a cyclic number.

It is not a de Polignac number, because 123031334423 - 2¹² = 123031330327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123031334443) 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, 175507973 + ... + 175508673.

It is an arithmetic number, because the mean of its divisors is an integer number (4141809126).

Almost surely, 2^123031334423 is an apocalyptic number.

123031334423 is a deficient number, since it is larger than the sum of its proper divisors (9506557609).

123031334423 is a wasteful number, since it uses less digits than its factorization.

123031334423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 123031334423 its reverse (324433130321), we get a palindrome (447464464744).

The spelling of 123031334423 in words is "one hundred twenty-three billion, thirty-one million, three hundred thirty-four thousand, four hundred twenty-three".