23037037 has 4 divisors (see below), whose sum is σ = 23048640. Its totient is φ = 23025436.

The previous prime is 23037029. The next prime is 23037043. The reversal of 23037037 is 73073032.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23037037 - 2³ = 23037029 is a prime.

It is a Duffinian number.

23037037 is a modest number, since divided by 37037 gives 23 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23037437) 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, 1987 + ... + 7072.

It is an arithmetic number, because the mean of its divisors is an integer number (5762160).

Almost surely, 2^23037037 is an apocalyptic number.

It is an amenable number.

23037037 is a deficient number, since it is larger than the sum of its proper divisors (11603).

23037037 is an equidigital number, since it uses as much as digits as its factorization.

23037037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11602.

The product of its (nonzero) digits is 2646, while the sum is 25.

The square root of 23037037 is about 4799.6913442429. The cubic root of 23037037 is about 284.5392658330.

The spelling of 23037037 in words is "twenty-three million, thirty-seven thousand, thirty-seven".