123433153 has 2 divisors, whose sum is σ = 123433154. Its totient is φ = 123433152.

The previous prime is 123433151. The next prime is 123433159. The reversal of 123433153 is 351334321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123032464 + 400689 = 11092^2 + 633^2 .

It is a cyclic number.

It is not a de Polignac number, because 123433153 - 2¹ = 123433151 is a prime.

Together with 123433151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (123433151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61716576 + 61716577.

It is an arithmetic number, because the mean of its divisors is an integer number (61716577).

Almost surely, 2^123433153 is an apocalyptic number.

It is an amenable number.

123433153 is a deficient number, since it is larger than the sum of its proper divisors (1).

123433153 is an equidigital number, since it uses as much as digits as its factorization.

123433153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 25.

The square root of 123433153 is about 11110.0473896379. The cubic root of 123433153 is about 497.9020804451.

Adding to 123433153 its reverse (351334321), we get a palindrome (474767474).

The spelling of 123433153 in words is "one hundred twenty-three million, four hundred thirty-three thousand, one hundred fifty-three".