23522149 has 16 divisors (see below), whose sum is σ = 28220416. Its totient is φ = 19180800.

The previous prime is 23522143. The next prime is 23522153. The reversal of 23522149 is 94122532.

It is a cyclic number.

It is not a de Polignac number, because 23522149 - 2⁷ = 23522021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23522143) 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, 12349 + ... + 14125.

It is an arithmetic number, because the mean of its divisors is an integer number (1763776).

Almost surely, 2^23522149 is an apocalyptic number.

It is an amenable number.

23522149 is a deficient number, since it is larger than the sum of its proper divisors (4698267).

23522149 is a wasteful number, since it uses less digits than its factorization.

23522149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876.

The product of its digits is 4320, while the sum is 28.

The square root of 23522149 is about 4849.9638142980. The cubic root of 23522149 is about 286.5226761694.

The spelling of 23522149 in words is "twenty-three million, five hundred twenty-two thousand, one hundred forty-nine".