23162149 has 4 divisors (see below), whose sum is σ = 23172160. Its totient is φ = 23152140.

The previous prime is 23162107. The next prime is 23162189. The reversal of 23162149 is 94126132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23162149 - 2⁷ = 23162021 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 (23162189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442 + ... + 6820.

It is an arithmetic number, because the mean of its divisors is an integer number (5793040).

Almost surely, 2^23162149 is an apocalyptic number.

It is an amenable number.

23162149 is a deficient number, since it is larger than the sum of its proper divisors (10011).

23162149 is an equidigital number, since it uses as much as digits as its factorization.

23162149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010.

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

The square root of 23162149 is about 4812.7070345077. The cubic root of 23162149 is about 285.0534382201.

It can be divided in two parts, 2316 and 2149, that added together give a triangular number (4465 = T₉₄).

The spelling of 23162149 in words is "twenty-three million, one hundred sixty-two thousand, one hundred forty-nine".