744545609923 has 2 divisors, whose sum is σ = 744545609924. Its totient is φ = 744545609922.

The previous prime is 744545609891. The next prime is 744545609971. The reversal of 744545609923 is 329906545447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 744545609923 - 2⁵ = 744545609891 is a prime.

It is a super-2 number, since 2×744545609923² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (744545609723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372272804961 + 372272804962.

It is an arithmetic number, because the mean of its divisors is an integer number (372272804962).

Almost surely, 2^744545609923 is an apocalyptic number.

744545609923 is a deficient number, since it is larger than the sum of its proper divisors (1).

744545609923 is an equidigital number, since it uses as much as digits as its factorization.

744545609923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32659200, while the sum is 58.

The spelling of 744545609923 in words is "seven hundred forty-four billion, five hundred forty-five million, six hundred nine thousand, nine hundred twenty-three".