23049149 has 2 divisors, whose sum is σ = 23049150. Its totient is φ = 23049148.

The previous prime is 23049137. The next prime is 23049157. The reversal of 23049149 is 94194032.

It is a happy number.

23049149 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12924025 + 10125124 = 3595^2 + 3182^2 .

It is a cyclic number.

It is not a de Polignac number, because 23049149 - 2²⁴ = 6271933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23049179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11524574 + 11524575.

It is an arithmetic number, because the mean of its divisors is an integer number (11524575).

Almost surely, 2^23049149 is an apocalyptic number.

It is an amenable number.

23049149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23049149 is an equidigital number, since it uses as much as digits as its factorization.

23049149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 23049149 is about 4800.9529262429. The cubic root of 23049149 is about 284.5891237462.

The spelling of 23049149 in words is "twenty-three million, forty-nine thousand, one hundred forty-nine".