133123402230 has 256 divisors, whose sum is σ = 421419995136. Its totient is φ = 26139801600.

The previous prime is 133123402229. The next prime is 133123402231. The reversal of 133123402230 is 32204321331.

It is an interprime number because it is at equal distance from previous prime (133123402229) and next prime (133123402231).

It is a self number, because there is not a number n which added to its sum of digits gives 133123402230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133123402231) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2294580 + ... + 2351880.

It is an arithmetic number, because the mean of its divisors is an integer number (1646171856).

Almost surely, 2^133123402230 is an apocalyptic number.

133123402230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133123402230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210709997568).

133123402230 is an abundant number, since it is smaller than the sum of its proper divisors (288296592906).

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

133123402230 is a wasteful number, since it uses less digits than its factorization.

133123402230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57391.

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

Adding to 133123402230 its reverse (32204321331), we get a palindrome (165327723561).

The spelling of 133123402230 in words is "one hundred thirty-three billion, one hundred twenty-three million, four hundred two thousand, two hundred thirty".