1233426400 has 36 divisors (see below), whose sum is σ = 3011104152. Its totient is φ = 493370240.

The previous prime is 1233426373. The next prime is 1233426407. The reversal of 1233426400 is 46243321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233426407) 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 5 ways as a sum of consecutive naturals, for example, 770092 + ... + 771691.

It is an arithmetic number, because the mean of its divisors is an integer number (83641782).

Almost surely, 2^1233426400 is an apocalyptic number.

1233426400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233426400 is an abundant number, since it is smaller than the sum of its proper divisors (1777677752).

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

1233426400 is a wasteful number, since it uses less digits than its factorization.

1233426400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541803 (or 1541790 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1233426400 is about 35120.1708424091. The cubic root of 1233426400 is about 1072.4352487428.

Adding to 1233426400 its reverse (46243321), we get a palindrome (1279669721).

The spelling of 1233426400 in words is "one billion, two hundred thirty-three million, four hundred twenty-six thousand, four hundred".