123234423031 has 8 divisors (see below), whose sum is σ = 123670033280. Its totient is φ = 122799394872.

The previous prime is 123234423017. The next prime is 123234423061. The reversal of 123234423031 is 130324432321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 123234423031 - 2²³ = 123226034423 is a prime.

It is a super-2 number, since 2×123234423031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123234423061) 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, 280846 + ... + 570388.

It is an arithmetic number, because the mean of its divisors is an integer number (15458754160).

Almost surely, 2^123234423031 is an apocalyptic number.

123234423031 is a deficient number, since it is larger than the sum of its proper divisors (435610249).

123234423031 is a wasteful number, since it uses less digits than its factorization.

123234423031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291045.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 123234423031 its reverse (130324432321), we get a palindrome (253558855352).

The spelling of 123234423031 in words is "one hundred twenty-three billion, two hundred thirty-four million, four hundred twenty-three thousand, thirty-one".