123010035523 has 2 divisors, whose sum is σ = 123010035524. Its totient is φ = 123010035522.

The previous prime is 123010035509. The next prime is 123010035569. The reversal of 123010035523 is 325530010321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123010035523 is a prime.

It is not a weakly prime, because it can be changed into another prime (123010035593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61505017761 + 61505017762.

It is an arithmetic number, because the mean of its divisors is an integer number (61505017762).

Almost surely, 2^123010035523 is an apocalyptic number.

123010035523 is a deficient number, since it is larger than the sum of its proper divisors (1).

123010035523 is an equidigital number, since it uses as much as digits as its factorization.

123010035523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 123010035523 its reverse (325530010321), we get a palindrome (448540045844).

The spelling of 123010035523 in words is "one hundred twenty-three billion, ten million, thirty-five thousand, five hundred twenty-three".