1231104023 has 8 divisors (see below), whose sum is σ = 1277274240. Its totient is φ = 1185337440.

The previous prime is 1231104001. The next prime is 1231104037. The reversal of 1231104023 is 3204011321.

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-1231104023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231103992 and 1231104010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231104073) 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, 94688 + ... + 106901.

It is an arithmetic number, because the mean of its divisors is an integer number (159659280).

Almost surely, 2^1231104023 is an apocalyptic number.

1231104023 is a deficient number, since it is larger than the sum of its proper divisors (46170217).

1231104023 is a wasteful number, since it uses less digits than its factorization.

1231104023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201817.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1231104023 is about 35087.0919712649. The cubic root of 1231104023 is about 1071.7617417956.

Adding to 1231104023 its reverse (3204011321), we get a palindrome (4435115344).

The spelling of 1231104023 in words is "one billion, two hundred thirty-one million, one hundred four thousand, twenty-three".