745900123 has 2 divisors, whose sum is σ = 745900124. Its totient is φ = 745900122.

The previous prime is 745900091. The next prime is 745900139. The reversal of 745900123 is 321009547.

745900123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 745900123 - 2⁵ = 745900091 is a prime.

It is not a weakly prime, because it can be changed into another prime (745900193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372950061 + 372950062.

It is an arithmetic number, because the mean of its divisors is an integer number (372950062).

Almost surely, 2^745900123 is an apocalyptic number.

745900123 is a deficient number, since it is larger than the sum of its proper divisors (1).

745900123 is an equidigital number, since it uses as much as digits as its factorization.

745900123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 745900123 is about 27311.1721279040. The cubic root of 745900123 is about 906.9017214388.

The spelling of 745900123 in words is "seven hundred forty-five million, nine hundred thousand, one hundred twenty-three".