123112331101 has 8 divisors (see below), whose sum is σ = 123948076544. Its totient is φ = 122276854800.

The previous prime is 123112331057. The next prime is 123112331107. The reversal of 123112331101 is 101133211321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123112331101 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 (123112331107) 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, 897391 + ... + 1025443.

It is an arithmetic number, because the mean of its divisors is an integer number (15493509568).

Almost surely, 2^123112331101 is an apocalyptic number.

It is an amenable number.

123112331101 is a deficient number, since it is larger than the sum of its proper divisors (835745443).

123112331101 is a wasteful number, since it uses less digits than its factorization.

123112331101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134571.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 123112331101 its reverse (101133211321), we get a palindrome (224245542422).

The spelling of 123112331101 in words is "one hundred twenty-three billion, one hundred twelve million, three hundred thirty-one thousand, one hundred one".