123251033 has 4 divisors (see below), whose sum is σ = 126582180. Its totient is φ = 119919888.

The previous prime is 123250991. The next prime is 123251041. The reversal of 123251033 is 330152321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119421184 + 3829849 = 10928^2 + 1957^2 .

It is a cyclic number.

It is not a de Polignac number, because 123251033 - 2¹⁰ = 123250009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123250996 and 123251014.

It is not an unprimeable number, because it can be changed into a prime (123251333) 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, 1665518 + ... + 1665591.

It is an arithmetic number, because the mean of its divisors is an integer number (31645545).

Almost surely, 2^123251033 is an apocalyptic number.

It is an amenable number.

123251033 is a deficient number, since it is larger than the sum of its proper divisors (3331147).

123251033 is an equidigital number, since it uses as much as digits as its factorization.

123251033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331146.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 123251033 is about 11101.8481794699. The cubic root of 123251033 is about 497.6570826242.

The spelling of 123251033 in words is "one hundred twenty-three million, two hundred fifty-one thousand, thirty-three".