23528419 has 2 divisors, whose sum is σ = 23528420. Its totient is φ = 23528418.

The previous prime is 23528389. The next prime is 23528423. The reversal of 23528419 is 91482532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23528419 - 2⁵ = 23528387 is a prime.

It is a super-2 number, since 2×23528419² = 1107173001279122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23528819) 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 as a sum of consecutive naturals, namely, 11764209 + 11764210.

It is an arithmetic number, because the mean of its divisors is an integer number (11764210).

Almost surely, 2^23528419 is an apocalyptic number.

23528419 is a deficient number, since it is larger than the sum of its proper divisors (1).

23528419 is an equidigital number, since it uses as much as digits as its factorization.

23528419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 23528419 is about 4850.6101678036. The cubic root of 23528419 is about 286.5481321426.

The spelling of 23528419 in words is "twenty-three million, five hundred twenty-eight thousand, four hundred nineteen".