1233452123400 has 384 divisors, whose sum is σ = 4466594119680. Its totient is φ = 275706424320.

The previous prime is 1233452123399. The next prime is 1233452123411. The reversal of 1233452123400 is 43212543321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 389468617 + ... + 389471783.

It is an arithmetic number, because the mean of its divisors is an integer number (11631755520).

Almost surely, 2^{1233452123400} is an apocalyptic number.

1233452123400 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 1233452123400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2233297059840).

1233452123400 is an abundant number, since it is smaller than the sum of its proper divisors (3233141996280).

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

1233452123400 is a wasteful number, since it uses less digits than its factorization.

1233452123400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213 (or 5204 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1233452123400 its reverse (43212543321), we get a palindrome (1276664666721).

The spelling of 1233452123400 in words is "one trillion, two hundred thirty-three billion, four hundred fifty-two million, one hundred twenty-three thousand, four hundred".