123702253 has 4 divisors (see below), whose sum is σ = 124069660. Its totient is φ = 123334848.

The previous prime is 123702239. The next prime is 123702277. The reversal of 123702253 is 352207321.

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 64673764 + 59028489 = 8042^2 + 7683^2 .

It is a cyclic number.

It is not a de Polignac number, because 123702253 - 2⁵ = 123702221 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 (123702203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183198 + ... + 183871.

It is an arithmetic number, because the mean of its divisors is an integer number (31017415).

Almost surely, 2^123702253 is an apocalyptic number.

It is an amenable number.

123702253 is a deficient number, since it is larger than the sum of its proper divisors (367407).

123702253 is an equidigital number, since it uses as much as digits as its factorization.

123702253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367406.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 123702253 is about 11122.1514555413. The cubic root of 123702253 is about 498.2636478088.

Adding to 123702253 its reverse (352207321), we get a palindrome (475909574).

The spelling of 123702253 in words is "one hundred twenty-three million, seven hundred two thousand, two hundred fifty-three".