133021223010123 has 16 divisors (see below), whose sum is σ = 209688627406080. Its totient is φ = 73391019591456.

The previous prime is 133021223010121. The next prime is 133021223010133. The reversal of 133021223010123 is 321010322120331.

It is not a de Polignac number, because 133021223010123 - 2¹ = 133021223010121 is a prime.

It is a super-2 number, since 2×133021223010123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133021223010093 and 133021223010102.

It is not an unprimeable number, because it can be changed into a prime (133021223010121) 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, 109212826165 + ... + 109212827382.

It is an arithmetic number, because the mean of its divisors is an integer number (13105539212880).

Almost surely, 2^{133021223010123} is an apocalyptic number.

133021223010123 is a deficient number, since it is larger than the sum of its proper divisors (76667404395957).

133021223010123 is a wasteful number, since it uses less digits than its factorization.

133021223010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218425653586.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 133021223010123 its reverse (321010322120331), we get a palindrome (454031545130454).

The spelling of 133021223010123 in words is "one hundred thirty-three trillion, twenty-one billion, two hundred twenty-three million, ten thousand, one hundred twenty-three".