23428037 has 2 divisors, whose sum is σ = 23428038. Its totient is φ = 23428036.

The previous prime is 23428019. The next prime is 23428049. The reversal of 23428037 is 73082432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15413476 + 8014561 = 3926^2 + 2831^2 .

It is a cyclic number.

It is not a de Polignac number, because 23428037 - 2¹⁰ = 23427013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23428337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11714018 + 11714019.

It is an arithmetic number, because the mean of its divisors is an integer number (11714019).

Almost surely, 2^23428037 is an apocalyptic number.

It is an amenable number.

23428037 is a deficient number, since it is larger than the sum of its proper divisors (1).

23428037 is an equidigital number, since it uses as much as digits as its factorization.

23428037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 23428037 is about 4840.2517496510. The cubic root of 23428037 is about 286.1400401438.

The spelling of 23428037 in words is "twenty-three million, four hundred twenty-eight thousand, thirty-seven".