123344525213 has 16 divisors (see below), whose sum is σ = 152133770880. Its totient is φ = 97382264256.

The previous prime is 123344525197. The next prime is 123344525231. The reversal of 123344525213 is 312525443321.

It is a cyclic number.

It is not a de Polignac number, because 123344525213 - 2⁴ = 123344525197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123344525113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408718 + ... + 1493711.

It is an arithmetic number, because the mean of its divisors is an integer number (9508360680).

Almost surely, 2^123344525213 is an apocalyptic number.

123344525213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123344525213 is a deficient number, since it is larger than the sum of its proper divisors (28789245667).

123344525213 is a wasteful number, since it uses less digits than its factorization.

123344525213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902916.

The product of its digits is 86400, while the sum is 35.

Adding to 123344525213 its reverse (312525443321), we get a palindrome (435869968534).

The spelling of 123344525213 in words is "one hundred twenty-three billion, three hundred forty-four million, five hundred twenty-five thousand, two hundred thirteen".