123003211011 has 8 divisors (see below), whose sum is σ = 164017517904. Its totient is φ = 81995522400.

The previous prime is 123003210977. The next prime is 123003211021. The reversal of 123003211011 is 110112300321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123003211011 - 2¹⁷ = 123003079939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123003211021) 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, 1611040 + ... + 1685661.

It is an arithmetic number, because the mean of its divisors is an integer number (20502189738).

Almost surely, 2^123003211011 is an apocalyptic number.

123003211011 is a deficient number, since it is larger than the sum of its proper divisors (41014306893).

123003211011 is a wasteful number, since it uses less digits than its factorization.

123003211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309141.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 123003211011 its reverse (110112300321), we get a palindrome (233115511332).

The spelling of 123003211011 in words is "one hundred twenty-three billion, three million, two hundred eleven thousand, eleven".