23351044391 has 2 divisors, whose sum is σ = 23351044392. Its totient is φ = 23351044390.

The previous prime is 23351044363. The next prime is 23351044411. The reversal of 23351044391 is 19344015332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23351044391 - 2¹⁰ = 23351043367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23351044351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11675522195 + 11675522196.

It is an arithmetic number, because the mean of its divisors is an integer number (11675522196).

Almost surely, 2^23351044391 is an apocalyptic number.

23351044391 is a deficient number, since it is larger than the sum of its proper divisors (1).

23351044391 is an equidigital number, since it uses as much as digits as its factorization.

23351044391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 23351044391 in words is "twenty-three billion, three hundred fifty-one million, forty-four thousand, three hundred ninety-one".