123464605250 has 128 divisors (see below), whose sum is σ = 266102074368. Its totient is φ = 42018393600.

The previous prime is 123464605241. The next prime is 123464605259. The reversal of 123464605250 is 52506464321.

It is an interprime number because it is at equal distance from previous prime (123464605241) and next prime (123464605259).

It is not an unprimeable number, because it can be changed into a prime (123464605259) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 253520507 + ... + 253520993.

It is an arithmetic number, because the mean of its divisors is an integer number (2078922456).

Almost surely, 2^123464605250 is an apocalyptic number.

123464605250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123464605250 is an abundant number, since it is smaller than the sum of its proper divisors (142637469118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123464605250 is a wasteful number, since it uses less digits than its factorization.

123464605250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 123464605250 in words is "one hundred twenty-three billion, four hundred sixty-four million, six hundred five thousand, two hundred fifty".