123451153250 has 16 divisors (see below), whose sum is σ = 231100559352. Its totient is φ = 49380461200.

The previous prime is 123451153247. The next prime is 123451153271. The reversal of 123451153250 is 52351154321.

123451153250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 35153625049 + 88297528201 = 187493^2 + 297149^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246902057 + ... + 246902556.

Almost surely, 2^123451153250 is an apocalyptic number.

123451153250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123451153250 is a deficient number, since it is larger than the sum of its proper divisors (107649406102).

123451153250 is an equidigital number, since it uses as much as digits as its factorization.

123451153250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493804630 (or 493804620 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 123451153250 in words is "one hundred twenty-three billion, four hundred fifty-one million, one hundred fifty-three thousand, two hundred fifty".