123453401200 has 30 divisors (see below), whose sum is σ = 296596797344. Its totient is φ = 49381360320.

The previous prime is 123453401179. The next prime is 123453401219. The reversal of 123453401200 is 2104354321.

It is a super-2 number, since 2×123453401200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154316352 + ... + 154317151.

Almost surely, 2^123453401200 is an apocalyptic number.

123453401200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123453401200 is an abundant number, since it is smaller than the sum of its proper divisors (173143396144).

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

123453401200 is a wasteful number, since it uses less digits than its factorization.

123453401200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308633521 (or 308633510 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 123453401200 its reverse (2104354321), we get a palindrome (125557755521).

The spelling of 123453401200 in words is "one hundred twenty-three billion, four hundred fifty-three million, four hundred one thousand, two hundred".