123463436880 has 160 divisors (see below), whose sum is σ = 437604920064. Its totient is φ = 28207853568.

The previous prime is 123463436867. The next prime is 123463436881. The reversal of 123463436880 is 88634364321.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123463436881) 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, 4139782 + ... + 4169498.

Almost surely, 2^123463436880 is an apocalyptic number.

123463436880 is a gapful number since it is divisible by the number (10) 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 123463436880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218802460032).

123463436880 is an abundant number, since it is smaller than the sum of its proper divisors (314141483184).

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

123463436880 is a wasteful number, since it uses less digits than its factorization.

123463436880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32213 (or 32207 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 123463436880 in words is "one hundred twenty-three billion, four hundred sixty-three million, four hundred thirty-six thousand, eight hundred eighty".