23334991 has 2 divisors, whose sum is σ = 23334992. Its totient is φ = 23334990.

The previous prime is 23334989. The next prime is 23335007. The reversal of 23334991 is 19943332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23334991 - 2¹ = 23334989 is a prime.

Together with 23334989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23334191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11667495 + 11667496.

It is an arithmetic number, because the mean of its divisors is an integer number (11667496).

Almost surely, 2^23334991 is an apocalyptic number.

23334991 is a deficient number, since it is larger than the sum of its proper divisors (1).

23334991 is an equidigital number, since it uses as much as digits as its factorization.

23334991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 34.

The square root of 23334991 is about 4830.6304971504. The cubic root of 23334991 is about 285.7607295095.

The spelling of 23334991 in words is "twenty-three million, three hundred thirty-four thousand, nine hundred ninety-one".