123455533101 has 16 divisors (see below), whose sum is σ = 165868560000. Its totient is φ = 81675247808.

The previous prime is 123455533051. The next prime is 123455533129. The reversal of 123455533101 is 101335554321.

It is a cyclic number.

It is not a de Polignac number, because 123455533101 - 2¹³ = 123455524909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123455533301) 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, 38601 + ... + 498398.

It is an arithmetic number, because the mean of its divisors is an integer number (10366785000).

Almost surely, 2^123455533101 is an apocalyptic number.

It is an amenable number.

123455533101 is a deficient number, since it is larger than the sum of its proper divisors (42413026899).

123455533101 is a wasteful number, since it uses less digits than its factorization.

123455533101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537588.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 123455533101 in words is "one hundred twenty-three billion, four hundred fifty-five million, five hundred thirty-three thousand, one hundred one".