11623139 has 6 divisors (see below), whose sum is σ = 12775980. Its totient is φ = 10566380.

The previous prime is 11623127. The next prime is 11623141. The reversal of 11623139 is 93132611.

It is not a de Polignac number, because 11623139 - 2¹² = 11619043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11623159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47909 + ... + 48150.

It is an arithmetic number, because the mean of its divisors is an integer number (2129330).

Almost surely, 2^11623139 is an apocalyptic number.

11623139 is a deficient number, since it is larger than the sum of its proper divisors (1152841).

11623139 is an equidigital number, since it uses as much as digits as its factorization.

11623139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96081 (or 96070 counting only the distinct ones).

The product of its digits is 972, while the sum is 26.

The square root of 11623139 is about 3409.2725030423. The cubic root of 11623139 is about 226.5206559171.

The spelling of 11623139 in words is "eleven million, six hundred twenty-three thousand, one hundred thirty-nine".