245153450123 has 2 divisors, whose sum is σ = 245153450124. Its totient is φ = 245153450122.

The previous prime is 245153450117. The next prime is 245153450149. The reversal of 245153450123 is 321054351542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245153450123 - 2²⁶ = 245086341259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (245153450023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122576725061 + 122576725062.

It is an arithmetic number, because the mean of its divisors is an integer number (122576725062).

Almost surely, 2^245153450123 is an apocalyptic number.

245153450123 is a deficient number, since it is larger than the sum of its proper divisors (1).

245153450123 is an equidigital number, since it uses as much as digits as its factorization.

245153450123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 245153450123 in words is "two hundred forty-five billion, one hundred fifty-three million, four hundred fifty thousand, one hundred twenty-three".