123945103464 has 256 divisors, whose sum is σ = 403282575360. Its totient is φ = 30862080000.

The previous prime is 123945103459. The next prime is 123945103511. The reversal of 123945103464 is 464301549321.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2753539 + ... + 2798189.

It is an arithmetic number, because the mean of its divisors is an integer number (1575322560).

Almost surely, 2^123945103464 is an apocalyptic number.

123945103464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123945103464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201641287680).

123945103464 is an abundant number, since it is smaller than the sum of its proper divisors (279337471896).

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

123945103464 is a wasteful number, since it uses less digits than its factorization.

123945103464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44752 (or 44748 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 123945103464 in words is "one hundred twenty-three billion, nine hundred forty-five million, one hundred three thousand, four hundred sixty-four".