123460361243021 has 4 divisors (see below), whose sum is σ = 134684030446944. Its totient is φ = 112236692039100.

The previous prime is 123460361242993. The next prime is 123460361243033. The reversal of 123460361243021 is 120342163064321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123460361243021 - 2⁴² = 119062314731917 is a prime.

It is a super-3 number, since 3×123460361243021³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123460360243021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5611834601945 + ... + 5611834601966.

It is an arithmetic number, because the mean of its divisors is an integer number (33671007611736).

Almost surely, 2^{123460361243021} is an apocalyptic number.

123460361243021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123460361243021 is a deficient number, since it is larger than the sum of its proper divisors (11223669203923).

123460361243021 is a wasteful number, since it uses less digits than its factorization.

123460361243021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11223669203922.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 123460361243021 in words is "one hundred twenty-three trillion, four hundred sixty billion, three hundred sixty-one million, two hundred forty-three thousand, twenty-one".