245030510123 has 32 divisors (see below), whose sum is σ = 302907838464. Its totient is φ = 193407340032.

The previous prime is 245030510119. The next prime is 245030510147. The reversal of 245030510123 is 321015030542.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 245030510123 - 2² = 245030510119 is a prime.

It is a super-2 number, since 2×245030510123² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245030510092 and 245030510101.

It is not an unprimeable number, because it can be changed into a prime (245030510113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34935965 + ... + 34942977.

It is an arithmetic number, because the mean of its divisors is an integer number (9465869952).

Almost surely, 2^245030510123 is an apocalyptic number.

245030510123 is a deficient number, since it is larger than the sum of its proper divisors (57877328341).

245030510123 is a wasteful number, since it uses less digits than its factorization.

245030510123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13331.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 245030510123 its reverse (321015030542), we get a palindrome (566045540665).

The spelling of 245030510123 in words is "two hundred forty-five billion, thirty million, five hundred ten thousand, one hundred twenty-three".