235144323091 has 2 divisors, whose sum is σ = 235144323092. Its totient is φ = 235144323090.

The previous prime is 235144323061. The next prime is 235144323137. The reversal of 235144323091 is 190323441532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 235144323091 - 2⁹ = 235144322579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235144323091.

It is not a weakly prime, because it can be changed into another prime (235144323061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117572161545 + 117572161546.

It is an arithmetic number, because the mean of its divisors is an integer number (117572161546).

Almost surely, 2^235144323091 is an apocalyptic number.

235144323091 is a deficient number, since it is larger than the sum of its proper divisors (1).

235144323091 is an equidigital number, since it uses as much as digits as its factorization.

235144323091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 235144323091 in words is "two hundred thirty-five billion, one hundred forty-four million, three hundred twenty-three thousand, ninety-one".