23044391 has 2 divisors, whose sum is σ = 23044392. Its totient is φ = 23044390.

The previous prime is 23044363. The next prime is 23044409. The reversal of 23044391 is 19344032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23044391 - 2⁶ = 23044327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23044391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23044331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11522195 + 11522196.

It is an arithmetic number, because the mean of its divisors is an integer number (11522196).

Almost surely, 2^23044391 is an apocalyptic number.

23044391 is a deficient number, since it is larger than the sum of its proper divisors (1).

23044391 is an equidigital number, since it uses as much as digits as its factorization.

23044391 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 23044391 is about 4800.4573740426. The cubic root of 23044391 is about 284.5695399685.

The spelling of 23044391 in words is "twenty-three million, forty-four thousand, three hundred ninety-one".