123445235101 has 4 divisors (see below), whose sum is σ = 123847337152. Its totient is φ = 123043133052.

The previous prime is 123445235083. The next prime is 123445235107. The reversal of 123445235101 is 101532544321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123445235101 - 2²¹ = 123443137949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123445235107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201050565 + ... + 201051178.

It is an arithmetic number, because the mean of its divisors is an integer number (30961834288).

Almost surely, 2^123445235101 is an apocalyptic number.

It is an amenable number.

123445235101 is a deficient number, since it is larger than the sum of its proper divisors (402102051).

123445235101 is an equidigital number, since it uses as much as digits as its factorization.

123445235101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402102050.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 123445235101 its reverse (101532544321), we get a palindrome (224977779422).

The spelling of 123445235101 in words is "one hundred twenty-three billion, four hundred forty-five million, two hundred thirty-five thousand, one hundred one".