123783460 has 24 divisors (see below), whose sum is σ = 275236920. Its totient is φ = 46600704.

The previous prime is 123783449. The next prime is 123783481. The reversal of 123783460 is 64387321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1327104 + 122456356 = 1152^2 + 11066^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181695 + ... + 182374.

It is an arithmetic number, because the mean of its divisors is an integer number (11468205).

Almost surely, 2^123783460 is an apocalyptic number.

123783460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123783460 is an abundant number, since it is smaller than the sum of its proper divisors (151453460).

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

123783460 is a wasteful number, since it uses less digits than its factorization.

123783460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364095 (or 364093 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 123783460 is about 11125.8015441585. The cubic root of 123783460 is about 498.3726559153.

The spelling of 123783460 in words is "one hundred twenty-three million, seven hundred eighty-three thousand, four hundred sixty".