1230231000149 has 2 divisors, whose sum is σ = 1230231000150. Its totient is φ = 1230231000148.

The previous prime is 1230231000071. The next prime is 1230231000233. The reversal of 1230231000149 is 9410001320321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 845768997649 + 384462002500 = 919657^2 + 620050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230231000149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230231000049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615115500074 + 615115500075.

It is an arithmetic number, because the mean of its divisors is an integer number (615115500075).

Almost surely, 2^{1230231000149} is an apocalyptic number.

It is an amenable number.

1230231000149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230231000149 is an equidigital number, since it uses as much as digits as its factorization.

1230231000149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 1230231000149 in words is "one trillion, two hundred thirty billion, two hundred thirty-one million, one hundred forty-nine", and thus it is an aban number.