123311440276 has 96 divisors (see below), whose sum is σ = 238409292800. Its totient is φ = 55584092160.

The previous prime is 123311440271. The next prime is 123311440277. The reversal of 123311440276 is 672044113321.

123311440276 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123311440276² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123311440271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70342216 + ... + 70343968.

Almost surely, 2^123311440276 is an apocalyptic number.

It is an amenable number.

123311440276 is a deficient number, since it is larger than the sum of its proper divisors (115097852524).

123311440276 is a wasteful number, since it uses less digits than its factorization.

123311440276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289 (or 2287 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 123311440276 its reverse (672044113321), we get a palindrome (795355553597).

The spelling of 123311440276 in words is "one hundred twenty-three billion, three hundred eleven million, four hundred forty thousand, two hundred seventy-six".