21223233123000 has 128 divisors (see below), whose sum is σ = 67756406065920. Its totient is φ = 5527911849600.

The previous prime is 21223233122977. The next prime is 21223233123023. The reversal of 21223233123000 is 32133232212.

It is an interprime number because it is at equal distance from previous prime (21223233122977) and next prime (21223233123023).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82131594 + ... + 82389593.

It is an arithmetic number, because the mean of its divisors is an integer number (529346922390).

Almost surely, 2^{21223233123000} is an apocalyptic number.

21223233123000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21223233123000 is an abundant number, since it is smaller than the sum of its proper divisors (46533172942920).

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

21223233123000 is a wasteful number, since it uses less digits than its factorization.

21223233123000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164521254 (or 164521240 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21223233123000 its reverse (32133232212), we get a palindrome (21255366355212).

The spelling of 21223233123000 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred thirty-three million, one hundred twenty-three thousand".