37442423 has 4 divisors (see below), whose sum is σ = 37591848. Its totient is φ = 37293000.

The previous prime is 37442387. The next prime is 37442429. The reversal of 37442423 is 32424473.

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

It is a cyclic number.

It is not a de Polignac number, because 37442423 - 2¹⁰ = 37441399 is a prime.

It is a super-2 number, since 2×37442423² = 2803870080221858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37442429) 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, 74336 + ... + 74837.

It is an arithmetic number, because the mean of its divisors is an integer number (9397962).

Almost surely, 2^37442423 is an apocalyptic number.

37442423 is a deficient number, since it is larger than the sum of its proper divisors (149425).

37442423 is a wasteful number, since it uses less digits than its factorization.

37442423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149424.

The product of its digits is 16128, while the sum is 29.

The square root of 37442423 is about 6119.0214086895. The cubic root of 37442423 is about 334.5450808881.

Adding to 37442423 its reverse (32424473), we get a palindrome (69866896).

The spelling of 37442423 in words is "thirty-seven million, four hundred forty-two thousand, four hundred twenty-three".