11859123 has 16 divisors (see below), whose sum is σ = 16200576. Its totient is φ = 7714560.

The previous prime is 11859109. The next prime is 11859137. The reversal of 11859123 is 32195811.

It is an interprime number because it is at equal distance from previous prime (11859109) and next prime (11859137).

It is not a de Polignac number, because 11859123 - 2¹³ = 11850931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11859163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23908 + ... + 24398.

It is an arithmetic number, because the mean of its divisors is an integer number (1012536).

Almost surely, 2^11859123 is an apocalyptic number.

11859123 is a deficient number, since it is larger than the sum of its proper divisors (4341453).

11859123 is an equidigital number, since it uses as much as digits as its factorization.

11859123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its digits is 2160, while the sum is 30.

The square root of 11859123 is about 3443.7077402126. The cubic root of 11859123 is about 228.0434089401.

The spelling of 11859123 in words is "eleven million, eight hundred fifty-nine thousand, one hundred twenty-three".