745905023 has 2 divisors, whose sum is σ = 745905024. Its totient is φ = 745905022.

The previous prime is 745904953. The next prime is 745905029. The reversal of 745905023 is 320509547.

It is a strong prime.

It is an emirp because it is prime and its reverse (320509547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745905023 - 2¹² = 745900927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745905029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372952511 + 372952512.

It is an arithmetic number, because the mean of its divisors is an integer number (372952512).

Almost surely, 2^745905023 is an apocalyptic number.

745905023 is a deficient number, since it is larger than the sum of its proper divisors (1).

745905023 is an equidigital number, since it uses as much as digits as its factorization.

745905023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 745905023 is about 27311.2618346352. The cubic root of 745905023 is about 906.9037073207.

The spelling of 745905023 in words is "seven hundred forty-five million, nine hundred five thousand, twenty-three".