123453252210 has 64 divisors (see below), whose sum is σ = 311969387520. Its totient is φ = 31179441600.

The previous prime is 123453252157. The next prime is 123453252211. The reversal of 123453252210 is 12252354321.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123453252211) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2139235 + ... + 2196185.

It is an arithmetic number, because the mean of its divisors is an integer number (4874521680).

Almost surely, 2^123453252210 is an apocalyptic number.

123453252210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123453252210 is an abundant number, since it is smaller than the sum of its proper divisors (188516135310).

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

123453252210 is a wasteful number, since it uses less digits than its factorization.

123453252210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60783.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 123453252210 in words is "one hundred twenty-three billion, four hundred fifty-three million, two hundred fifty-two thousand, two hundred ten".