1203230381 has 2 divisors, whose sum is σ = 1203230382. Its totient is φ = 1203230380.

The previous prime is 1203230377. The next prime is 1203230383. The reversal of 1203230381 is 1830323021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 951722500 + 251507881 = 30850^2 + 15859^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203230381 - 2² = 1203230377 is a prime.

It is a super-2 number, since 2×1203230381² = 2895526699522810322, which contains 22 as substring.

Together with 1203230383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203230383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601615190 + 601615191.

It is an arithmetic number, because the mean of its divisors is an integer number (601615191).

Almost surely, 2^1203230381 is an apocalyptic number.

It is an amenable number.

1203230381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203230381 is an equidigital number, since it uses as much as digits as its factorization.

1203230381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1203230381 is about 34687.6113475690. The cubic root of 1203230381 is about 1063.6112681574.

The spelling of 1203230381 in words is "one billion, two hundred three million, two hundred thirty thousand, three hundred eighty-one".