11231033123 has 2 divisors, whose sum is σ = 11231033124. Its totient is φ = 11231033122.

The previous prime is 11231033081. The next prime is 11231033161. The reversal of 11231033123 is 32133013211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11231033123 - 2³² = 6936065827 is a prime.

It is a super-2 number, since 2×11231033123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231033095 and 11231033104.

It is not a weakly prime, because it can be changed into another prime (11231033173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615516561 + 5615516562.

It is an arithmetic number, because the mean of its divisors is an integer number (5615516562).

Almost surely, 2^11231033123 is an apocalyptic number.

11231033123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231033123 is an equidigital number, since it uses as much as digits as its factorization.

11231033123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11231033123 its reverse (32133013211), we get a palindrome (43364046334).

The spelling of 11231033123 in words is "eleven billion, two hundred thirty-one million, thirty-three thousand, one hundred twenty-three".