123022000 has 40 divisors (see below), whose sum is σ = 297472032. Its totient is φ = 49208000.

The previous prime is 123021989. The next prime is 123022007. The reversal of 123022000 is 220321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (123022007) 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 7 ways as a sum of consecutive naturals, for example, 28756 + ... + 32755.

Almost surely, 2^123022000 is an apocalyptic number.

123022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123022000 is an abundant number, since it is smaller than the sum of its proper divisors (174450032).

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

123022000 is an equidigital number, since it uses as much as digits as its factorization.

123022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61534 (or 61518 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 123022000 is about 11091.5282986611. The cubic root of 123022000 is about 497.3486320135.

Adding to 123022000 its reverse (220321), we get a palindrome (123242321).

The spelling of 123022000 in words is "one hundred twenty-three million, twenty-two thousand".