11231232303123 has 24 divisors (see below), whose sum is σ = 18570692467808. Its totient is φ = 6407377437312.

The previous prime is 11231232303059. The next prime is 11231232303199. The reversal of 11231232303123 is 32130323213211.

11231232303123 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 1 + 232 + 303 + 123 = 666.

It is not a de Polignac number, because 11231232303123 - 2⁶ = 11231232303059 is a prime.

It is a super-2 number, since 2×11231232303123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231232303523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145372090 + ... + 145449327.

Almost surely, 2^{11231232303123} is an apocalyptic number.

11231232303123 is a deficient number, since it is larger than the sum of its proper divisors (7339460164685).

11231232303123 is a wasteful number, since it uses less digits than its factorization.

11231232303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290822043 (or 290822040 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 11231232303123 its reverse (32130323213211), we get a palindrome (43361555516334).

The spelling of 11231232303123 in words is "eleven trillion, two hundred thirty-one billion, two hundred thirty-two million, three hundred three thousand, one hundred twenty-three".