123450133 has 4 divisors (see below), whose sum is σ = 124937568. Its totient is φ = 121962700.

The previous prime is 123450109. The next prime is 123450149. The reversal of 123450133 is 331054321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123450133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123450233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743593 + ... + 743758.

It is an arithmetic number, because the mean of its divisors is an integer number (31234392).

Almost surely, 2^123450133 is an apocalyptic number.

It is an amenable number.

123450133 is a deficient number, since it is larger than the sum of its proper divisors (1487435).

123450133 is an equidigital number, since it uses as much as digits as its factorization.

123450133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487434.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 123450133 is about 11110.8115365170. The cubic root of 123450133 is about 497.9249105883.

The spelling of 123450133 in words is "one hundred twenty-three million, four hundred fifty thousand, one hundred thirty-three".