23428073 has 2 divisors, whose sum is σ = 23428074. Its totient is φ = 23428072.

The previous prime is 23428051. The next prime is 23428079. The reversal of 23428073 is 37082432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14684224 + 8743849 = 3832^2 + 2957^2 .

It is a cyclic number.

It is not a de Polignac number, because 23428073 - 2¹⁰ = 23427049 is a prime.

It is not a weakly prime, because it can be changed into another prime (23428079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11714036 + 11714037.

It is an arithmetic number, because the mean of its divisors is an integer number (11714037).

Almost surely, 2^23428073 is an apocalyptic number.

It is an amenable number.

23428073 is a deficient number, since it is larger than the sum of its proper divisors (1).

23428073 is an equidigital number, since it uses as much as digits as its factorization.

23428073 is an evil number, because the sum of its binary digits is even.

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

The square root of 23428073 is about 4840.2554684644. The cubic root of 23428073 is about 286.1401867066.

The spelling of 23428073 in words is "twenty-three million, four hundred twenty-eight thousand, seventy-three".