23126149 has 2 divisors, whose sum is σ = 23126150. Its totient is φ = 23126148.

The previous prime is 23126143. The next prime is 23126161. The reversal of 23126149 is 94162132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16402500 + 6723649 = 4050^2 + 2593^2 .

It is a cyclic number.

It is not a de Polignac number, because 23126149 - 2¹⁹ = 22601861 is a prime.

It is a Chen prime.

It is equal to p_1455661 and since 23126149 and 1455661 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23126143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11563074 + 11563075.

It is an arithmetic number, because the mean of its divisors is an integer number (11563075).

Almost surely, 2^23126149 is an apocalyptic number.

It is an amenable number.

23126149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23126149 is an equidigital number, since it uses as much as digits as its factorization.

23126149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 23126149 is about 4808.9654812652. The cubic root of 23126149 is about 284.9056792630.

The spelling of 23126149 in words is "twenty-three million, one hundred twenty-six thousand, one hundred forty-nine".