123315051262 has 16 divisors (see below), whose sum is σ = 199390815792. Its totient is φ = 56860473600.

The previous prime is 123315051253. The next prime is 123315051269. The reversal of 123315051262 is 262150513321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123315051269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229043 + ... + 2283694.

It is an arithmetic number, because the mean of its divisors is an integer number (12461925987).

Almost surely, 2^123315051262 is an apocalyptic number.

123315051262 is a deficient number, since it is larger than the sum of its proper divisors (76075764530).

123315051262 is a wasteful number, since it uses less digits than its factorization.

123315051262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513803.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 123315051262 its reverse (262150513321), we get a palindrome (385465564583).

The spelling of 123315051262 in words is "one hundred twenty-three billion, three hundred fifteen million, fifty-one thousand, two hundred sixty-two".