23543089 has 2 divisors, whose sum is σ = 23543090. Its totient is φ = 23543088.

The previous prime is 23543029. The next prime is 23543119. The reversal of 23543089 is 98034532.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17783089 + 5760000 = 4217^2 + 2400^2 .

It is a cyclic number.

It is not a de Polignac number, because 23543089 - 2²³ = 15154481 is a prime.

It is not a weakly prime, because it can be changed into another prime (23543029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11771544 + 11771545.

It is an arithmetic number, because the mean of its divisors is an integer number (11771545).

Almost surely, 2^23543089 is an apocalyptic number.

It is an amenable number.

23543089 is a deficient number, since it is larger than the sum of its proper divisors (1).

23543089 is an equidigital number, since it uses as much as digits as its factorization.

23543089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 23543089 is about 4852.1221130553. The cubic root of 23543089 is about 286.6076741478.

The spelling of 23543089 in words is "twenty-three million, five hundred forty-three thousand, eighty-nine".