123454211052 has 48 divisors (see below), whose sum is σ = 294815155712. Its totient is φ = 40186722240.

The previous prime is 123454211047. The next prime is 123454211077. The reversal of 123454211052 is 250112454321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3095277 + ... + 3134907.

Almost surely, 2^123454211052 is an apocalyptic number.

123454211052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123454211052 is an abundant number, since it is smaller than the sum of its proper divisors (171360944660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123454211052 is a wasteful number, since it uses less digits than its factorization.

123454211052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45718 (or 45716 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 123454211052 its reverse (250112454321), we get a palindrome (373566665373).

The spelling of 123454211052 in words is "one hundred twenty-three billion, four hundred fifty-four million, two hundred eleven thousand, fifty-two".