123530221420454 has 4 divisors (see below), whose sum is σ = 185295332130684. Its totient is φ = 61765110710226.

The previous prime is 123530221420427. The next prime is 123530221420471. The reversal of 123530221420454 is 454024122035321.

123530221420454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×123530221420454² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30882555355112 + ... + 30882555355115.

It is an arithmetic number, because the mean of its divisors is an integer number (46323833032671).

Almost surely, 2^{123530221420454} is an apocalyptic number.

123530221420454 is a deficient number, since it is larger than the sum of its proper divisors (61765110710230).

123530221420454 is an equidigital number, since it uses as much as digits as its factorization.

123530221420454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61765110710229.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 123530221420454 its reverse (454024122035321), we get a palindrome (577554343455775).

The spelling of 123530221420454 in words is "one hundred twenty-three trillion, five hundred thirty billion, two hundred twenty-one million, four hundred twenty thousand, four hundred fifty-four".