123153203 has 2 divisors, whose sum is σ = 123153204. Its totient is φ = 123153202.

The previous prime is 123153197. The next prime is 123153241. The reversal of 123153203 is 302351321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123153203 - 2⁶ = 123153139 is a prime.

It is a super-2 number, since 2×123153203² = 30333422818318418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123153803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61576601 + 61576602.

It is an arithmetic number, because the mean of its divisors is an integer number (61576602).

Almost surely, 2^123153203 is an apocalyptic number.

123153203 is a deficient number, since it is larger than the sum of its proper divisors (1).

123153203 is an equidigital number, since it uses as much as digits as its factorization.

123153203 is an evil number, because the sum of its binary digits is even.

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

The square root of 123153203 is about 11097.4412816649. The cubic root of 123153203 is about 497.5253766842.

The spelling of 123153203 in words is "one hundred twenty-three million, one hundred fifty-three thousand, two hundred three".