1203423211 has 2 divisors, whose sum is σ = 1203423212. Its totient is φ = 1203423210.

The previous prime is 1203423191. The next prime is 1203423223. The reversal of 1203423211 is 1123243021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1203423211 - 2⁹ = 1203422699 is a prime.

It is a super-3 number, since 3×1203423211³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1203423271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601711605 + 601711606.

It is an arithmetic number, because the mean of its divisors is an integer number (601711606).

Almost surely, 2^1203423211 is an apocalyptic number.

1203423211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203423211 is an equidigital number, since it uses as much as digits as its factorization.

1203423211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1203423211 is about 34690.3907588254. The cubic root of 1203423211 is about 1063.6680833245.

Adding to 1203423211 its reverse (1123243021), we get a palindrome (2326666232).

It can be divided in two parts, 12034 and 23211, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 1203423211 in words is "one billion, two hundred three million, four hundred twenty-three thousand, two hundred eleven".