745920123191 has 2 divisors, whose sum is σ = 745920123192. Its totient is φ = 745920123190.

The previous prime is 745920123139. The next prime is 745920123197. The reversal of 745920123191 is 191321029547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 745920123191 - 2¹⁸ = 745919861047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745920123197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372960061595 + 372960061596.

It is an arithmetic number, because the mean of its divisors is an integer number (372960061596).

Almost surely, 2^745920123191 is an apocalyptic number.

745920123191 is a deficient number, since it is larger than the sum of its proper divisors (1).

745920123191 is an equidigital number, since it uses as much as digits as its factorization.

745920123191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 745920123191 in words is "seven hundred forty-five billion, nine hundred twenty million, one hundred twenty-three thousand, one hundred ninety-one".