123456679011 has 24 divisors (see below), whose sum is σ = 184953625584. Its totient is φ = 82294380000.

The previous prime is 123456679009. The next prime is 123456679019. The reversal of 123456679011 is 110976654321.

123456679011 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 566 + 79 + 0 + 11 = 666.

It is not a de Polignac number, because 123456679011 - 2¹ = 123456679009 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (123456679019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2325261 + ... + 2377761.

It is an arithmetic number, because the mean of its divisors is an integer number (7706401066).

Almost surely, 2^123456679011 is an apocalyptic number.

123456679011 is a deficient number, since it is larger than the sum of its proper divisors (61496946573).

123456679011 is an frugal number, since it uses more digits than its factorization.

123456679011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62193 (or 62181 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 123456679011 in words is "one hundred twenty-three billion, four hundred fifty-six million, six hundred seventy-nine thousand, eleven".