23283149 has 4 divisors (see below), whose sum is σ = 24652764. Its totient is φ = 21913536.

The previous prime is 23283137. The next prime is 23283173. The reversal of 23283149 is 94138232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6325225 + 16957924 = 2515^2 + 4118^2 .

It is a cyclic number.

It is not a de Polignac number, because 23283149 - 2⁴ = 23283133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23283109) 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 3 ways as a sum of consecutive naturals, for example, 684782 + ... + 684815.

It is an arithmetic number, because the mean of its divisors is an integer number (6163191).

Almost surely, 2^23283149 is an apocalyptic number.

It is an amenable number.

23283149 is a deficient number, since it is larger than the sum of its proper divisors (1369615).

23283149 is a wasteful number, since it uses less digits than its factorization.

23283149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369614.

The product of its digits is 10368, while the sum is 32.

The square root of 23283149 is about 4825.2615473153. The cubic root of 23283149 is about 285.5489532394.

It can be divided in two parts, 23283 and 149, that added together give a palindrome (23432).

The spelling of 23283149 in words is "twenty-three million, two hundred eighty-three thousand, one hundred forty-nine".