235321421003 has 2 divisors, whose sum is σ = 235321421004. Its totient is φ = 235321421002.

The previous prime is 235321420979. The next prime is 235321421021. The reversal of 235321421003 is 300124123532.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235321421003 - 2¹⁰ = 235321419979 is a prime.

It is not a weakly prime, because it can be changed into another prime (235321421033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117660710501 + 117660710502.

It is an arithmetic number, because the mean of its divisors is an integer number (117660710502).

Almost surely, 2^235321421003 is an apocalyptic number.

235321421003 is a deficient number, since it is larger than the sum of its proper divisors (1).

235321421003 is an equidigital number, since it uses as much as digits as its factorization.

235321421003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 235321421003 its reverse (300124123532), we get a palindrome (535445544535).

The spelling of 235321421003 in words is "two hundred thirty-five billion, three hundred twenty-one million, four hundred twenty-one thousand, three".