11312000123 has 2 divisors, whose sum is σ = 11312000124. Its totient is φ = 11312000122.

The previous prime is 11312000111. The next prime is 11312000143. The reversal of 11312000123 is 32100021311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11312000123 - 2¹⁶ = 11311934587 is a prime.

It is a super-2 number, since 2×11312000123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11312000098 and 11312000107.

It is not a weakly prime, because it can be changed into another prime (11312000143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656000061 + 5656000062.

It is an arithmetic number, because the mean of its divisors is an integer number (5656000062).

Almost surely, 2^11312000123 is an apocalyptic number.

11312000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312000123 is an equidigital number, since it uses as much as digits as its factorization.

11312000123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11312000123 its reverse (32100021311), we get a palindrome (43412021434).

The spelling of 11312000123 in words is "eleven billion, three hundred twelve million, one hundred twenty-three", and thus it is an aban number.