23434091 has 2 divisors, whose sum is σ = 23434092. Its totient is φ = 23434090.

The previous prime is 23434069. The next prime is 23434093. The reversal of 23434091 is 19043432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23434091 is a prime.

Together with 23434093, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1473812 and since 23434091 and 1473812 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23434091.

It is not a weakly prime, because it can be changed into another prime (23434093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11717045 + 11717046.

It is an arithmetic number, because the mean of its divisors is an integer number (11717046).

Almost surely, 2^23434091 is an apocalyptic number.

23434091 is a deficient number, since it is larger than the sum of its proper divisors (1).

23434091 is an equidigital number, since it uses as much as digits as its factorization.

23434091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 23434091 is about 4840.8770899497. The cubic root of 23434091 is about 286.1646850114.

The spelling of 23434091 in words is "twenty-three million, four hundred thirty-four thousand, ninety-one".