23254409 has 2 divisors, whose sum is σ = 23254410. Its totient is φ = 23254408.

The previous prime is 23254373. The next prime is 23254411. The reversal of 23254409 is 90445232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21418384 + 1836025 = 4628^2 + 1355^2 .

It is a cyclic number.

It is not a de Polignac number, because 23254409 - 2¹² = 23250313 is a prime.

Together with 23254411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23254109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11627204 + 11627205.

It is an arithmetic number, because the mean of its divisors is an integer number (11627205).

Almost surely, 2^23254409 is an apocalyptic number.

It is an amenable number.

23254409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23254409 is an equidigital number, since it uses as much as digits as its factorization.

23254409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 23254409 is about 4822.2825508259. The cubic root of 23254409 is about 285.4314139277.

The spelling of 23254409 in words is "twenty-three million, two hundred fifty-four thousand, four hundred nine".