23475149 has 4 divisors (see below), whose sum is σ = 23497536. Its totient is φ = 23452764.

The previous prime is 23475143. The next prime is 23475161. The reversal of 23475149 is 94157432.

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.

It is a cyclic number.

It is not a de Polignac number, because 23475149 - 2¹² = 23471053 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 (23475143) 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, 9539 + ... + 11744.

It is an arithmetic number, because the mean of its divisors is an integer number (5874384).

Almost surely, 2^23475149 is an apocalyptic number.

It is an amenable number.

23475149 is a deficient number, since it is larger than the sum of its proper divisors (22387).

23475149 is a wasteful number, since it uses less digits than its factorization.

23475149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22386.

The product of its digits is 30240, while the sum is 35.

The square root of 23475149 is about 4845.1159944835. The cubic root of 23475149 is about 286.3317136713.

The spelling of 23475149 in words is "twenty-three million, four hundred seventy-five thousand, one hundred forty-nine".