23487037 has 4 divisors (see below), whose sum is σ = 26842336. Its totient is φ = 20131740.

The previous prime is 23487017. The next prime is 23487049. The reversal of 23487037 is 73078432.

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 a de Polignac number, because none of the positive numbers 2^k-23487037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23486993 and 23487011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23487017) 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, 1677639 + ... + 1677652.

It is an arithmetic number, because the mean of its divisors is an integer number (6710584).

Almost surely, 2^23487037 is an apocalyptic number.

It is an amenable number.

23487037 is a deficient number, since it is larger than the sum of its proper divisors (3355299).

23487037 is an equidigital number, since it uses as much as digits as its factorization.

23487037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355298.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 23487037 is about 4846.3426416216. The cubic root of 23487037 is about 286.3800390583.

The spelling of 23487037 in words is "twenty-three million, four hundred eighty-seven thousand, thirty-seven".