123434244031 has 4 divisors (see below), whose sum is σ = 141067707472. Its totient is φ = 105800780592.

The previous prime is 123434244007. The next prime is 123434244077. The reversal of 123434244031 is 130442434321.

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 123434244031 - 2⁹ = 123434243519 is a prime.

It is a super-3 number, since 3×123434244031³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123434243984 and 123434244002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123434244001) 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, 8816731710 + ... + 8816731723.

It is an arithmetic number, because the mean of its divisors is an integer number (35266926868).

Almost surely, 2^123434244031 is an apocalyptic number.

123434244031 is a deficient number, since it is larger than the sum of its proper divisors (17633463441).

123434244031 is an equidigital number, since it uses as much as digits as its factorization.

123434244031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17633463440.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 123434244031 its reverse (130442434321), we get a palindrome (253876678352).

The spelling of 123434244031 in words is "one hundred twenty-three billion, four hundred thirty-four million, two hundred forty-four thousand, thirty-one".