23472037 has 4 divisors (see below), whose sum is σ = 23481900. Its totient is φ = 23462176.

The previous prime is 23471999. The next prime is 23472041. The reversal of 23472037 is 73027432.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 14145121 + 9326916 = 3761^2 + 3054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23472037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23471996 and 23472014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23472047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089 + ... + 6937.

It is an arithmetic number, because the mean of its divisors is an integer number (5870475).

Almost surely, 2^23472037 is an apocalyptic number.

It is an amenable number.

23472037 is a deficient number, since it is larger than the sum of its proper divisors (9863).

23472037 is an equidigital number, since it uses as much as digits as its factorization.

23472037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9862.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 23472037 is about 4844.7948356974. The cubic root of 23472037 is about 286.3190605223.

Adding to 23472037 its reverse (73027432), we get a palindrome (96499469).

The spelling of 23472037 in words is "twenty-three million, four hundred seventy-two thousand, thirty-seven".