123349400 has 48 divisors (see below), whose sum is σ = 287526240. Its totient is φ = 49212800.

The previous prime is 123349393. The next prime is 123349409. The reversal of 123349400 is 4943321.

It is a self number, because there is not a number n which added to its sum of digits gives 123349400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123349409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134945 + ... + 135855.

It is an arithmetic number, because the mean of its divisors is an integer number (5990130).

Almost surely, 2^123349400 is an apocalyptic number.

123349400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123349400 is an abundant number, since it is smaller than the sum of its proper divisors (164176840).

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

123349400 is a wasteful number, since it uses less digits than its factorization.

123349400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 123349400 is about 11106.2775041865. The cubic root of 123349400 is about 497.7894412629.

The spelling of 123349400 in words is "one hundred twenty-three million, three hundred forty-nine thousand, four hundred".