123420033 has 12 divisors (see below), whose sum is σ = 194480208. Its totient is φ = 74799960.

The previous prime is 123420023. The next prime is 123420043. The reversal of 123420033 is 330024321.

It is an interprime number because it is at equal distance from previous prime (123420023) and next prime (123420043).

It is not a de Polignac number, because 123420033 - 2⁹ = 123419521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123419988 and 123420015.

It is not an unprimeable number, because it can be changed into a prime (123420013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 623235 + ... + 623432.

It is an arithmetic number, because the mean of its divisors is an integer number (16206684).

Almost surely, 2^123420033 is an apocalyptic number.

It is an amenable number.

123420033 is a deficient number, since it is larger than the sum of its proper divisors (71060175).

123420033 is a wasteful number, since it uses less digits than its factorization.

123420033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246684 (or 1246681 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 123420033 is about 11109.4569174195. The cubic root of 123420033 is about 497.8844387591.

Adding to 123420033 its reverse (330024321), we get a palindrome (453444354).

The spelling of 123420033 in words is "one hundred twenty-three million, four hundred twenty thousand, thirty-three".