123011213153 has 2 divisors, whose sum is σ = 123011213154. Its totient is φ = 123011213152.

The previous prime is 123011213089. The next prime is 123011213167. The reversal of 123011213153 is 351312110321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122071974544 + 939238609 = 349388^2 + 30647^2 .

It is an emirp because it is prime and its reverse (351312110321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123011213153 - 2⁶ = 123011213089 is a prime.

It is a super-3 number, since 3×123011213153³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (123011213173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61505606576 + 61505606577.

It is an arithmetic number, because the mean of its divisors is an integer number (61505606577).

Almost surely, 2^123011213153 is an apocalyptic number.

It is an amenable number.

123011213153 is a deficient number, since it is larger than the sum of its proper divisors (1).

123011213153 is an equidigital number, since it uses as much as digits as its factorization.

123011213153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 123011213153 its reverse (351312110321), we get a palindrome (474323323474).

The spelling of 123011213153 in words is "one hundred twenty-three billion, eleven million, two hundred thirteen thousand, one hundred fifty-three".