11423745 has 48 divisors (see below), whose sum is σ = 21312720. Its totient is φ = 5640192.

The previous prime is 11423689. The next prime is 11423747. The reversal of 11423745 is 54732411.

It can be written as a sum of positive squares in 8 ways, for example, as 553536 + 10870209 = 744^2 + 3297^2 .

It is not a de Polignac number, because 11423745 - 2⁹ = 11423233 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83317 + ... + 83453.

It is an arithmetic number, because the mean of its divisors is an integer number (444015).

It is a Proth number, since it is equal to 2789 ⋅ 2¹² + 1 and 2789 < 2¹².

Almost surely, 2^11423745 is an apocalyptic number.

11423745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11423745 is a deficient number, since it is larger than the sum of its proper divisors (9888975).

11423745 is a wasteful number, since it uses less digits than its factorization.

11423745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 271 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 11423745 is about 3379.9031051200. The cubic root of 11423745 is about 225.2178630535.

The spelling of 11423745 in words is "eleven million, four hundred twenty-three thousand, seven hundred forty-five".